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)