2012

• 2/2/2012 STScI-2012-08 1. Hubble Zooms in on a Magnified Galaxy A team of astronomers aimed Hubble at one of the most striking examples of gravitational lensing, a nearly 90-degree arc of light in the galaxy cluster RCS2 032727-132623. (More)
• 1/11/2012 STScI-2012-07 2. The Milky Way Contains at Least 100 Billion Planets According to Survey Our Milky Way galaxy contains a minimum of 100 billion planets according to a detailed statistical study based on the detection of three extrasolar... (More)

2011

• 10/13/2011 STScI-2011-25 3. Ambitious Hubble Survey Obtaining New Dark Matter Census Cluster MACS J1206.2-0847 (or MACS 1206 for short) is one of the first targets in a Hubble Space Telescope survey that will allow astronomers to construct... (More)
• 10/4/2011 STScI-2011-33 4. Astrophysicist Adam Riess Wins the 2011 Nobel Prize in Physics Adam Riess, an astronomer at the Space Telescope Science Institute (STScI) and Krieger-Eisenhower Professor in Physics and Astronomy at The Johns Hopkins University... (More)
• 9/15/2011 STScI-2011-27 5. Even Low-Mass Galaxies Can Harbor Supermassive Black Holes Using the slitless grism on Hubble Space Telescope's Wide Field Camera 3 to probe the distant universe, astronomers have found supermassive black holes growing... (More)
• 6/22/2011 STScI-2011-17 6. Pandora's Cluster – Clash of the Titans A team of scientists studying the galaxy cluster Abell 2744, nicknamed Pandora's Cluster, have pieced together the cluster's complex and violent history using telescopes... (More)
• 4/12/2011 STScI-2011-12 7. NASA Telescopes Help Discover Surprisingly Young Galaxy Astronomers have uncovered one of the youngest galaxies in the distant universe, with stars that formed 13.5 billion years ago, a mere 200 million years after the Big Bang. (More)
• 4/7/2011 STScI-2011-10 8. NASA Telescopes Join Forces to Observe Unprecedented Explosion NASA's Swift satellite, Hubble Space Telescope, and Chandra X-ray Observatory have teamed up to study one of the most puzzling cosmic blasts ever observed. (More)

2010

• 11/11/2010 STScI-2010-37 9. Detailed Dark Matter Map Yields Clues to Galaxy Cluster Growth Astronomers using NASA's Hubble Space Telescope received a boost from a cosmic magnifying glass to construct one of the sharpest... (More)
• 8/19/2010 STScI-2010-26 10. First Use of Cosmic Lens to Probe Dark Energy An international team of astronomers using NASA's Hubble Space Telescope has devised a new method for measuring perhaps the greatest puzzle of our universe... (More)
• 5/25/2010 STScI-2010-18 11. Supermassive Black Holes May Frequently Roam Galaxy Centers A team of astronomy researchers at Florida Institute of Technology and Rochester Institute of Technology in the United States and University... (More)

2009

• 9/9/2009 STScI-2009-25 12. Hubble Opens New Eyes on the Universe NASA's Hubble Space Telescope is back in business, ready to uncover new worlds, peer ever deeper into space, and even map the invisible backbone of the universe. (More)
• 8/5/2009 STScI-2009-24 13. Astronomers Find Hyperactive Galaxies in the Early Universe Even some galaxies may have been hyperactive youngsters. Looking almost 11 billion years into the past, astronomers have measured the motions... (More)
• 5/7/2009 STScI-2009-08 14. Refined Hubble Constant Narrows Possible Explanations for Dark Energy Less than 100 years ago scientists didn't know if the universe was coming or going, literally. It even fooled the great mind of Albert Einstein. He assumed... (More)

2008

• 8/27/2008 STScI-2008-32 15. A Clash of Clusters Provides New Clue to Dark Matter A powerful collision of galaxy clusters has been captured by NASA’s Hubble Space Telescope and Chandra X-ray Observatory. The observations of the cluster... (More)
• 4/10/2008 STScI-2008-17 16. Hubble Pinpoints Record-Breaking Explosion Peering across 7.5 billion light-years and halfway back to the Big Bang, NASA's Hubble Space Telescope has photographed the fading optical counterpart of a powerful... (More)
• 2/19/2008 STScI-2008-09 17. Hubble Discovers 67 New Gravitationally Lensed Galaxies in the Distant Universe Astronomers using NASA's Hubble Space Telescope have compiled a large catalog of gravitational lenses in the distant universe. The catalog contains... (More)
• 2/12/2008 STScI-2008-08 18. Astronomers Find One of the Youngest and Brightest Galaxies in the Early Universe NASA's Hubble and Spitzer space telescopes, with a boost from a natural "zoom lens," have uncovered what may be one of the youngest... (More)
• 1/10/2008 STScI-2008-04 19. Hubble Finds Double Einstein Ring The Hubble Space Telescope has revealed a never-before-seen optical alignment in space: a pair of glowing rings, one nestled inside the other like a bull's-eye pattern. The double-ring... (More)
• 1/10/2008 STScI-2008-03 20. The Violent Lives of Galaxies: Caught in the Cosmic Dark Matter Web Astronomers are using NASA's Hubble Space Telescope to dissect one of the largest structures in the universe as part of a quest to understand... (More)

2007

• 10/4/2007 STScI-2007-38 21. Astronomers Use Hubble and Keck to Identify Dwarf Galaxy A team of astronomers at the University of California at Santa Barbara report that they have resolved a dwarf galaxy 6 billion light-years away. Weighing... (More)
• 5/15/2007 STScI-2007-17 22. Hubble Finds Ring of Dark Matter Astronomers using NASA's Hubble Space Telescope have discovered a ghostly ring of dark matter that formed long ago during a titanic collision between two massive galaxy clusters. (More)
• 1/7/2007 STScI-2007-01 23. Hubble Maps the Cosmic Web of "Clumpy" Dark Matter in 3-D An international team of astronomers using NASA's Hubble Space Telescope has created a three-dimensional map that provides... (More)

2006

• 11/16/2006 STScI-2006-52 24. Hubble Finds Evidence for Dark Energy in the Young Universe Scientists using NASA's Hubble Space Telescope have discovered that dark energy is not a new constituent of space, but rather has been present... (More)
• 11/2/2006 STScI-2006-51 25. Host Galaxy Cluster to Largest Known Radio Eruption This is a new composite image of galaxy cluster MS0735.6+7421, located about 2.6 billion light-years away in the constellation Camelopardalis. (More)
• 8/21/2006 STScI-2006-39 26. NASA Finds Direct Proof of Dark Matter Dark matter and normal matter have been wrenched apart by the tremendous collision of two large clusters of galaxies. This composite image shows the galaxy cluster 1E 0657-56... (More)
• 8/8/2006 STScI-2006-38 27. Hubble Identifies Stellar Companion to Distant Planet NASA's Hubble Space Telescope has for the first time identified the parent star of a distant planet (system name OGLE-2003-BLG-235L/MOA-2003-BLG-53L) discovered... (More)
• 5/23/2006 STScI-2006-23 28. Hubble Captures a "Five-Star" Rated Gravitational Lens NASA's Hubble Space Telescope has captured the first-ever picture of a group of five star-like images of a single distant quasar. (More)
• 5/16/2006 STScI-2006-21 29. Astronomer Wins Top Prize for Creating Black Hole Web Site Explore the world of black holes in an award-winning Web site created by a team led by Roeland van der Marel, an astronomer at the Space Telescope Science... (More)
• 5/10/2006 STScI-2006-20 30. Hubble Finds that Earth is Safe from One Class of Gamma-ray Burst Homeowners may have to worry about floods, hurricanes, and tornadoes destroying their homes, but at least they can remove long-duration... (More)

2005

• 11/17/2005 STScI-2005-32 31. Hubble, Sloan Quadruple Number of Known Optical Einstein Rings Astronomers have combined two powerful astronomical assets, the Sloan Digital Sky Survey (SDSS) and NASA's Hubble Space Telescope, to identify 19 new "gravitationally... (More)
• 9/20/2005 STScI-2005-26 32. Hubble Finds Mysterious Disk of Blue Stars Around Black Hole Astronomers using NASA's Hubble Space Telescope have identified the source of a mysterious blue light surrounding a supermassive black hole in our neighboring... (More)
• 9/14/2005 STScI-2005-13 33. Black Hole in Search of a Home A team of European astronomers has used two of the most powerful astronomical facilities available, NASA's Hubble Space Telescope and the European Southern Observatory's... (More)

2004

• 7/22/2004 STScI-2004-21 34. A Day in the Lives of Galaxies Like a photographer clicking random snapshots of a crowd of people, NASA's Hubble Space Telescope has taken a view of an eclectic mix of galaxies. In taking this picture... (More)
• 7/15/2004 STScI-2004-24 35. Astronomers Measure Mass of a Single Star — First Since the Sun Astronomers have directly measured the mass of a single star — the first time such a feat has been accomplished for any solitary... (More)
• 6/1/2004 STScI-2004-19 36. Spitzer Leads NASA's Great Observatories to Uncover Black Holes, Other Hidden Objects in the Distant Universe Astronomers unveiled the deepest images from NASA's new Spitzer Space Telescope today, and announced the detection... (More)
• 2/20/2004 STScI-2004-12 37. New Clues About the Nature of Dark Energy: Einstein May Have Been Right After All The good news from NASA's Hubble Space Telescope is that Einstein was right — maybe. A strange... (More)
• 2/15/2004 STScI-2004-08 38. Hubble and Keck Team Up to Find Farthest Known Galaxy in Universe An international team of astronomers may have set a new record in discovering what is the most distant known galaxy in the universe. Located... (More)
• 2/4/2004 STScI-2004-45 39. New Hubble Study Reveals How Black Holes Get Their Kicks When black holes collide, look out! The "kick" from an enormous burst of gravitational radiation that occurs during the collision... (More)

2003

• 10/30/2003 STScI-2003-32 40. Megastar-Birth Cluster is Biggest, Brightest and Hottest Ever Seen A mysterious arc of light found behind a distant cluster of galaxies has turned out to be the biggest, brightest, and hottest star-forming... (More)
• 6/19/2003 STScI-2003-18 41. The Secret Lives of Galaxies Unveiled in Deep Survey Two of NASA's Great Observatories, bolstered by the largest ground-based telescopes around the world, are beginning to harvest... (More)
• 1/7/2003 STScI-2003-01 42. Biggest 'Zoom Lens' in Space Takes Hubble Deeper into the Universe The Advanced Camera for Surveys (ACS) aboard NASA's Hubble Space Telescope has used a natural "zoom lens" in space to boost its view of the distant... (More)

2002

• 11/18/2002 STScI-2002-30 43. Fast-Flying Black Hole Yields Clues to Supernova Origin A nearby black hole is hurtling like a cannonball through the disk of our galaxy. The detection of this speed demon is the best evidence yet, some astronomers... (More)
• 9/17/2002 STScI-2002-18 44. Hubble Discovers Black Holes in Unexpected Places Medium-size black holes actually do exist, according to the latest findings from NASA's Hubble Space Telescope, but scientists had to look in some unexpected... (More)
• 2/15/2002 STScI-2002-06 45. New Instrument Package to Expand Space Telescope's Vision NASA's Servicing Mission 3B for the Hubble Space Telescope will give the orbiting observatory a new camera that will significantly increase Hubble's abilities... (More)

2001

• 10/5/2001 STScI-2001-32 46. Gravitational Lens Helps Hubble and Keck Discover Galaxy Building Block A very small, faint galaxy -- possibly one of the long sought "building blocks" of present-day galaxies -- has been discovered by a collaboration between... (More)
• 9/12/2001 STScI-2001-29 47. Ancient Black Hole Speeds Through Sun's Galactic Neighborhood, Devouring Companion Star Data from the Space Telescope Science Institute's Digitized Sky Survey has played an important supporting role in helping radio and X-ray astronomers... (More)
• 6/27/2001 STScI-2001-20 48. Hint of Planet-Sized Drifters Bewilders Hubble Scientists Piercing the heart of a globular star cluster, NASA's Hubble Space Telescope uncovered tantalizing clues to what could be a strange and unexpected population of wandering... (More)
• 4/2/2001 STScI-2001-09 49. Blast from the Past: Farthest Supernova Ever Seen Sheds Light on Dark Universe Gazing to the far reaches of space and time, NASA's Hubble Space Telescope identified the farthest stellar explosion... (More)
• 1/11/2001 STScI-2001-03 50. 'Death Spiral' Around a Black Hole Yields Tantalizing Evidence of an Event Horizon The Hubble telescope may have, for the first time, provided direct evidence for the existence of black holes by observing... (More)

2000

• 8/24/2000 STScI-2000-29 51. Hubble Takes Census of Elusive Brown Dwarf Stars Astronomers using NASA's Hubble Space Telescope have carried out the most complete inventory to date of brown dwarfs, one of the universe's most elusive... (More)
• 7/6/2000 STScI-2000-20 52. A Cosmic Searchlight Streaming out from the center of the galaxy M87 like a cosmic searchlight is one of nature's most amazing phenomena, a black-hole-powered jet of electrons and other sub-atomic particles traveling... (More)
• 6/5/2000 STScI-2000-22 53. Black Holes Shed Light on Galaxy Formation Astronomers are concluding that monstrous black holes weren't simply born big but instead grew on a measured diet of gas and stars controlled by their host galaxies... (More)
• 6/5/2000 STScI-2000-21 54. Feasting Black Hole Blows Bubbles A monstrous black hole's rude table manners include blowing huge bubbles of hot gas into space. At least, that's the gustatory practice followed by the supermassive black hole residing... (More)
• 5/3/2000 STScI-2000-18 55. Lost and Found: Hubble Finds Much of the Universe's Missing Hydrogen For the past decade astronomers have looked for vast quantities of hydrogen that were cooked up in the Big Bang but somehow managed to disappear... (More)
• 1/24/2000 STScI-2000-07 56. Hubble Reopens Its Eye on the Universe The Hubble telescope reopened its "eye" on the universe following a successful December 1999 servicing mission by imaging a Sun-like star, dubbed the "Eskimo Nebula"... (More)
• 1/13/2000 STScI-2000-03 57. Lone Black Holes Discovered Adrift in the Galaxy Astronomers using the Hubble telescope and ground-based observatories have discovered the first examples of isolated, stellar-mass... (More)

1999

• 10/27/1999 STScI-1999-43 58. Very Long Baseline Array Reveals Formation Region of Giant Cosmic Jet Near a Black Hole Astronomers have seen the exhaust products of black hole "engines": narrow beams of material traveling... (More)
• 5/13/1999 STScI-1999-18 59. Natural Lenses in Space Stretch Hubble's View of the Universe A Hubble telescope survey of the sky has uncovered exotic patterns, rings, arcs, and crosses that are all mirages produced by a gravitational... (More)
• 5/6/1999 STScI-1999-16 60. Internet Voters Get Two Galaxies in One from Hubble Located about 130 million light-years away, NGC 4650A is one of only 100 known polar-ring galaxies. Their unusual disk-ring structure is not yet understood... (More)
• 3/11/1999 STScI-1999-09 61. Hubble Views Home Galaxy of Record-Breaking Explosion Here are Hubble telescope views of the rapidly fading visible-light fireball from the most powerful cosmic explosion recorded to date. (More)

1998

• 10/26/1998 STScI-1998-37 62. New Research That Uses Gravitationally Lensed Quasars to Measure Universe is Good News, Bad News for Cosmologists Astronomers who are using the Hubble telescope to observe the gravitational lensing of light from distant... (More)
• 8/19/1998 STScI-1998-26 63. Distant Heavyweight Galaxy Cluster Clobbers Dense-Universe Theory A Space Telescope Science Institute astronomer has found the equivalent of the proverbial 900-pound gorilla in deep space. The "gorilla" is an extremely massive cluster... (More)
• 6/18/1998 STScI-1998-22 64. Hubble Uncovers Dust Disk around a Massive Black Hole Resembling a gigantic hubcap in space, a 3,700-light-year-wide dust disk encircles a 300-million- solar-mass black hole in the center of the elliptical... (More)
• 5/14/1998 STScI-1998-14 65. Hubble Provides Multiple Views of How to Feed a Black Hole Astronomers have obtained an unprecedented look at the nearest example of galactic cannibalism — a massive... (More)
• 5/6/1998 STScI-1998-17 66. Gamma-Ray Burst Found to be Most Energetic Event in Universe A team of astronomers has announced that a recently detected gamma-ray burst was as bright as the rest of the universe, releasing a hundred... (More)
• 1/8/1998 STScI-1998-02 67. Hubble Pinpoints Distant Supernovae Peering halfway across the universe to analyze light from exploded stars that died long before our Sun even existed, the Hubble telescope has allowed astronomers to determine that the expansion... (More)

1997

• 9/16/1997 STScI-1997-30 68. Hubble Stays on Trail of Fading Gamma-Ray Burst Fireball, Results Point to Extragalactic Origin Hubble telescope observations of the ever-fading fireball from one of the universe's most mysterious phenomena ? a gamma-ray... (More)
• 9/10/1997 STScI-1997-28 69. Hubble Finds a Bare Black Hole Pouring Out Light Probing the heart of the active galaxy NGC 6251, the Hubble telescope has provided a never-before-seen view of a warped disk or ring of dust caught in a blazing... (More)
• 7/30/1997 STScI-1997-25 70. World's Most Powerful Telescopes Team Up With a Lens in Nature to Discover Farthest Galaxy in the Universe An international team of astronomers has discovered the most distant galaxy in the universe... (More)
• 6/10/1997 STScI-1997-22 71. Mysterious Fireball From A Cataclysmic Explosion The visible fireball from a titanic explosion in deep space, called a gamma-ray burst, blazes in the center of this image, taken with the Hubble telescope's imaging spectrograph. (More)
• 6/10/1997 STScI-1997-20 72. Gamma-Ray Bursts Common To Normal Galaxies? Hubble Data Offer New Clues and Puzzles Nature's most powerful explosions, gamma-ray bursts, occur among the normal stellar population inside galaxies scattered... (More)
• 6/9/1997 STScI-1997-18 73. Fireworks Near a Black Hole in the Core of Seyfert Galaxy NGC 4151 The Hubble telescope's imaging spectrograph simultaneously records, in unprecedented detail, the velocities of hundreds of gas knots streaming... (More)
• 5/12/1997 STScI-1997-12 74. Hubble Records a Black Hole's Signature The colorful "zigzag" on the right is not the work of a flamboyant artist, but the signature of a super-massive black hole in the center of galaxy M84, discovered... (More)
• 4/1/1997 STScI-1997-10 75. Hubble Tracks the Fading Optical Counterpart of a Gamma-Ray Burst The Hubble telescope has made an important contribution toward solving one of astronomy's greatest enigmas by allowing astronomers to continue watching... (More)
• 1/14/1997 STScI-1997-02 76. Hubble Finds Intergalactic Stars The Hubble telescope has found a long-sought population of "stellar outcasts" ? stars tossed out of their home galaxies into the dark emptiness of intergalactic space. (More)
• 1/13/1997 STScI-1997-01 77. Massive Black Holes Dwell in Most Galaxies, According to Hubble Census Announcing the discovery of three black holes in three normal galaxies, astronomers suggest that nearly all galaxies may harbor super-massive... (More)

1996

• 5/9/1996 STScI-1996-21 78. Hubble Space Telescope on Track for Measuring the Expansion Rate of the Universe Using the Hubble telescope, two international teams of astronomers are reporting major progress in converging on an accurate measurement... (More)
• 4/24/1996 STScI-1996-10 79. Hubble Space Telescope Completes Sixth Year of Exploration A new golden era of space exploration and discovery began April 24, 1990 with the launch and deployment of the Hubble telescope. Over the past six years Hubble's... (More)
• 2/21/1996 STScI-1996-12 80. Hubble Opens Doorway to Systematic Search for Black Holes Hubble Space Telescope's ongoing black hole hunt has bagged yet another supermassive black hole in the universe. The compact... (More)

1995

• 12/4/1995 STScI-1995-47 81. Hubble Finds a New Black Hole - and Unexpected New Mysteries Confirming the presence of yet another super-massive black hole in the universe, astronomers using the Hubble telescope have found unexpected... (More)
• 11/29/1995 STScI-1995-49 82. HST's Greatest Hits 1990-1995 Hubble Space Telescope evokes a new sense of awe and wonder about the infinite richness of our universe in dramatic, unprecedented pictures of celestial objects. Like a traveler sharing... (More)
• 10/18/1995 STScI-1995-43 83. Hubble Discovers New Class of Gravitational Lens for Probing the Structure of the Cosmos The Hubble telescope has discovered a new, distant class of quadruple or cross-shaped gravitational lenses. (More)
• 4/5/1995 STScI-1995-14 84. Hubble Views Distant Galaxies through a Cosmic Lens This Hubble telescope image of a rich cluster of galaxies called Abell 2218 is a spectacular example of gravitational lensing. The arc-like pattern... (More)
• 3/31/1995 STScI-1995-22 85. Hubble Data Suggest Galaxies Have Giant Halos NASA's Hubble Space Telescope has helped solve a two-decade-old cosmic mystery by showing that mysterious clouds of hydrogen in space may actually be vast halos of gas surrounding... (More)
• 1/19/1995 STScI-1995-05 86. Hubble Identifies Huge Clouds of Intergalactic Gas Astronomers using NASA's Hubble Space Telescope have discovered evidence that clouds of hydrogen found between galaxies at distances of billions of light-years... (More)

1994

• 10/17/1994 STScI-1994-41 87. Hubble Rules Out a Leading Explanation for Dark Matter Astronomers have ruled out the possibility that red dwarf stars constitute the invisible matter, called dark matter, believed to account for more than 90 percent... (More)
• 5/25/1994 STScI-1994-23 88. Hubble Confirms Existence of Massive Black Hole at Heart of Active Galaxy Astronomers using the Hubble telescope have found seemingly conclusive evidence for a massive black hole in the center of the giant elliptical... (More)

1993

• 6/9/1993 STScI-1993-15 89. A Lighthouse Beacon From the Core of an Active Galaxy A NASA Hubble Space Telescope (HST) view of the core of the barred spiral Seyfert galaxy NGC 5728 reveals a spectacular bi-conical... (More)
• 1/4/1993 STScI-1993-05 90. Dark Matter Found in a "Typical" Cluster of Galaxies Astronomer John S. Mulchaey, of the Space Telescope Science Institute (STSCI) and fellow team members announced today the discovery of a huge concentration... (More)

1992

• 11/19/1992 STScI-1992-27 91. NASA's Hubble Space Telescope Discovers a Disk Fueling a Possible Black Hole Astronomers using NASA's Hubble Space Telescope (HST) have gotten their best look yet at the disk of material that surrounds... (More)
• 11/13/1992 STScI-1992-26 92. NASA's Hubble Telescope Observes Most Distant Galaxy Using NASA's Hubble Space Telescope an international team of astronomers Is uncovering intriguing new details about the most distant galaxy known, located... (More)
• 10/8/1992 STScI-1992-25 93. NASA's Hubble Space Telescope Uses a Distant Gravitational Lens to Explore the Cosmos NASA's Hubble Space Telescope (HST) has photographed a striking mirror- image of a very distant galaxy. The observations... (More)
• 6/8/1992 STScI-1992-17 94. NASA's Hubble Space Telescope Resolves a Dark "x" Across the Nucleus of M51 NASA's Hubble Space Telescope has provided astronomers with what may be their first direct view of an immense... (More)
• 1/16/1992 STScI-1992-01 95. NASA's Hubble Space Telescope Probes the Compact Nucleus of Galaxy M87 Astronomers report today that they have found intriguing evidence that a black hole weighing over 2.6 billion... (More)
• 1/13/1992 STScI-1992-03 96. NASA Hubble Space Telescope "Snapshots" Probe the Early Universe Drs. Bahcall, Dan Maoz, Donald Schneider, and Brian Yanny, all of the Institute for Astronomers are reporting surprising and interesting initial results... (More)

1990

• 10/4/1990 STScI-1990-13 97. Hubble Space Telescope Probes a Galaxy with an Active Nucleus NASA’s Hubble Space Telescope has provided an unprecedented, detailed view of highly energetic events in the core of a galaxy 30 million light-years... (More)
• 10/4/1990 STScI-1990-29 98. Galactic Black Hole with Optical Jet The energy source needed to create and maintain the galactic jet in galaxy PKS 0521-36 is generated deep within the core of the galaxy, and is far too small to resolved. The favored... (More)
• 9/13/1990 STScI-1990-20 99. First ESA Faint Object Camera Science Images the Gravitational Lens G2237 + 0305 The European Space Agency's Faint Object Camera on board NASA's Hubble Space Telescope has provided astronomers with the most detailed... (More)