2008

• 8/27/2008 STScI-2008-32 1. 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)
• 8/5/2008 STScI-2008-30 2. Globular Clusters Tell Tale of Star Formation in Nearby Galaxy Metropolis Globular star clusters, dense bunches of hundreds of thousands of stars, have some of the oldest surviving stars in the universe. (More)
• 6/10/2008 STScI-2008-24 3. Hubble's Sweeping View of the Coma Cluster of Galaxies NASA's Hubble Space Telescope captures the magnificent starry population of the Coma Cluster of galaxies, one of the densest known galaxy collections... (More)
• 2/12/2008 STScI-2008-08 4. 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)

2007

• 5/15/2007 STScI-2007-17 5. 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)
• 3/2/2007 STScI-2007-12 6. Hubble Sees 'Comet Galaxy' Being Ripped Apart By Galaxy Cluster NASA's Hubble Space Telescope, in collaboration with several other ground- and space- based telescopes, has captured... (More)
• 2/5/2007 STScI-2007-08 7. Hubble Illuminates Cluster of Diverse Galaxies This NASA Hubble Space Telescope image shows the diverse collection of galaxies in a galaxy cluster called Abell S0740, located more than 450 million light-years away in the constellation... (More)

2006

• 11/2/2006 STScI-2006-51 8. 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 9. 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)
• 7/12/2006 STScI-2006-36 10. Hubble's Advanced Camera for Surveys Resumes Exploring the Universe After a brief hiatus, the Advanced Camera for Surveys aboard NASA’s Hubble Space Telescope is back in business, probing the far reaches... (More)
• 5/23/2006 STScI-2006-23 11. 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)

2004

• 2/15/2004 STScI-2004-08 12. 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)
• 1/6/2004 STScI-2004-02 13. Too Fast, Too Furious: A Galaxy's Fatal Plunge Trailing 200,000-light-year-long streamers of seething gas, a galaxy that was once like our Milky Way is being shredded as it plunges at 4.5 million... (More)
• 1/1/2004 STScI-2004-01 14. Images from Hubble's ACS Tell a Tale of Two Record-Breaking Galaxy Clusters Looking back in time nearly 9 billion years, an international team of astronomers found mature galaxies in a young universe. The galaxies... (More)

2003

• 1/7/2003 STScI-2003-01 15. 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

• 12/12/2002 STScI-2002-22 16. Hubble Watches Galaxies Engage in Dance of Destruction NASA's Hubble Space Telescope is witnessing a grouping of galaxies engaging in a slow dance of destruction that will last for billions of years. The galaxies... (More)

2001

• 10/5/2001 STScI-2001-32 17. 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)
• 7/19/2001 STScI-2001-22 18. Star Clusters Born in the Wreckage of Cosmic Collisions In the beginning of the 1946 holiday film classic "It's a Wonderful Life," angelic figures take on the form of a famous group of compact galaxies... (More)

2000

• 1/24/2000 STScI-2000-07 19. 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)

1999

• 9/2/1999 STScI-1999-31 20. A Minuet of Galaxies This troupe of four galaxies, known as Hickson Compact Group 87 (HCG 87), is performing an intricate dance orchestrated by the mutual gravitational forces acting between them. (More)