2012

• 11/30/2012 STScI-2012-42 1. 'Dark Core' May Not Be So Dark After All Now you see it, now you don't. Douglas Clowe of Ohio University in Athens, Ohio, is reporting on new Hubble observations that do not find an unusually... (More)
• 7/10/2012 STScI-2012-26 2. Hubble Unmasks Ghost Galaxies Astronomers have puzzled over why some puny, extremely faint dwarf galaxies spotted in our Milky Way galaxy's back yard contain so few stars. These ghost-like galaxies are thought... (More)
• 3/2/2012 STScI-2012-10 3. Dark Matter Core Defies Explanation in Hubble Image Astronomers observed what appeared to be a clump of dark matter left behind during a bizarre wreck between massive clusters of galaxies. The dark matter collected... (More)

2011

• 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)
• 6/22/2011 STScI-2011-17 5. 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)

2010

• 11/11/2010 STScI-2010-37 6. 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 7. 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)

2009

• 5/7/2009 STScI-2009-08 8. 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 9. 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)
• 1/10/2008 STScI-2008-03 10. 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

• 5/15/2007 STScI-2007-17 11. 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 12. 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

• 8/21/2006 STScI-2006-39 13. 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)

2004

• 6/1/2004 STScI-2004-19 14. 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 15. 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)

2003

• 6/19/2003 STScI-2003-18 16. 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 17. 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)

2000

• 8/24/2000 STScI-2000-29 18. 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)
• 5/3/2000 STScI-2000-18 19. 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)

1999

• 5/6/1999 STScI-1999-16 20. 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)

1998

• 8/19/1998 STScI-1998-26 21. 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)
• 1/8/1998 STScI-1998-02 22. 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

• 1/14/1997 STScI-1997-02 23. 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)

1996

• 5/9/1996 STScI-1996-21 24. 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)

1995

• 10/18/1995 STScI-1995-43 25. 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)
• 3/31/1995 STScI-1995-22 26. 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 27. 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 28. 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)

1993

• 1/4/1993 STScI-1993-05 29. 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 30. 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)
• 10/8/1992 STScI-1992-25 31. 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)
• 1/13/1992 STScI-1992-03 32. 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)