2008

• 8/5/2008 STScI-2008-30 1. 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)
• 4/2/2008 STScI-2008-14 2. Astronomers Find Suspected Medium-Size Black Hole in Omega Centauri The core of the spectacular globular cluster Omega Centauri glitters with the combined light of 2 million stars. The entire cluster contains 10 million... (More)

2007

• 12/4/2007 STScI-2007-42 3. How White Dwarfs Get Their 'Kicks' NASA's Hubble Space Telescope is providing strong evidence that white dwarfs, the burned-out relics of stars, are given a "kick" when they form. The sharp vision of Hubble's Advanced... (More)
• 5/2/2007 STScI-2007-18 4. Hubble Finds Multiple Stellar 'Baby Booms' in a Globular Cluster Astronomers have long thought that globular star clusters had a single "baby boom" of stars early in their lives and then settled into a quiet existence. (More)

2006

• 10/24/2006 STScI-2006-33 5. Hubble Yields Direct Proof of Stellar Sorting in a Globular Cluster NASA's Hubble Space Telescope has provided astronomers with the best observational evidence to date that globular clusters sort out stars according... (More)
• 8/17/2006 STScI-2006-37 6. Hubble Sees Faintest Stars in a Globular Cluster NASA's Hubble Space Telescope has uncovered what astronomers are reporting as the dimmest stars ever seen in any globular star cluster. Globular clusters are spherical... (More)

2005

• 3/9/2005 STScI-2005-05 7. Hubble Weighs in on the Heaviest Stars in the Galaxy Unlike humans, stars are born with all the weight they will ever have. A human's birth weight varies by just a few pounds... (More)

2003

• 8/7/2003 STScI-2003-21 8. Too Close for Comfort This Hubble Space Telescope view of the core of one of the nearest globular star clusters, called NGC 6397, resembles a treasure chest of glittering jewels. The cluster is located 8,200 light-years... (More)
• 7/10/2003 STScI-2003-19 9. Oldest Known Planet Identified NASA's Hubble Space Telescope precisely measured the mass of the oldest known planet in our Milky Way galaxy. At an estimated age of 13 billion years, the... (More)

2002

• 9/17/2002 STScI-2002-18 10. 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)
• 4/24/2002 STScI-2002-10 11. Hubble Uncovers Oldest "Clocks" in Space to Read Age of Universe Pushing the limits of its powerful vision, NASA's Hubble Space Telescope has uncovered the oldest burned-out stars in our Milky Way Galaxy. (More)

2001

• 10/4/2001 STScI-2001-33 12. Peering into the Core of a Globular Cluster Astronomers have used NASA's Hubble Space Telescope to peer into the center of a dense swarm of stars called Omega Centauri. Located some 17,000 light-years... (More)
• 7/26/2001 STScI-2001-21 13. Hubble's Panoramic Portrait of a Vast Star-Forming Region NASA's Hubble Space Telescope has snapped a panoramic portrait of a vast, sculpted landscape of gas and dust where thousands of stars are being born. This fertile... (More)
• 7/10/2001 STScI-2001-25 14. Hubble Snaps Picture of Remarkable Double Cluster These two dazzling clusters of stars, called NGC 1850, are found in one of our neighboring galaxies, the Large Magellanic Cloud. The photo's centerpiece is a young, "globular-like"... (More)
• 6/27/2001 STScI-2001-20 15. 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)

2000

• 10/31/2000 STScI-2000-33 16. Astronomers Ponder Lack of Planets in Globular Cluster Astronomers using the Hubble telescope made the first broad search for planets far beyond our local stellar neighborhood. They trained Hubble's... (More)
• 8/3/2000 STScI-2000-25 17. A Dying Star in Globular Cluster M15 The globular cluster M15 is shown in this color image obtained with the Hubble telescope. Lying some 40,000 light-years from Earth in the constellation Pegasus... (More)

1999

• 9/16/1999 STScI-1999-30 18. Hubble Spies Giant Star Clusters Near Galactic Center Penetrating 25,000 light-years of obscuring dust and myriad stars, the Hubble telescope has provided the clearest view yet of a pair of the largest young clusters... (More)
• 7/1/1999 STScI-1999-26 19. Hubble Images a Swarm of Ancient Stars This stellar swarm is M80 (NGC 6093), one of the densest of the 147 known globular star clusters in the Milky Way Galaxy. Located about 28,000 light-years... (More)

1998

• 4/9/1998 STScI-1998-16 20. Hubble Finds That Even Massive Stars Just Fade Away Pinpointing the rapidly fading ember of a recently burned-out star, the Hubble telescope is giving astronomers a better estimate... (More)

1997

• 10/29/1997 STScI-1997-35 21. Hubble Catches Up with a Blue Straggler Star Astronomers have long been mystified by observations of a few hot, bright, apparently young stars residing in well-established communities where most of their neighbors... (More)

1996

• 4/24/1996 STScI-1996-11 22. Hubble Spies Globular Cluster in Neighboring Galaxy The Hubble telescope has captured a view of a globular cluster called G1, a large, bright ball of light in the center of the photograph. (More)

1995

• 11/8/1995 STScI-1995-06 23. Hubble Peers Deep into the Crowded Heart of the Densest Known Star Cluster By pinpointing individual suns in the glare of the most tightly packed cluster of stars in our galaxy, the Hubble telescope... (More)
• 8/28/1995 STScI-1995-32 24. Hubble Space Telescope Finds Stellar Graveyard Peering deep into the globular star cluster M4 with the Hubble telescope, Canadian and American astronomers have discovered a large number of "stellar corpses,"... (More)
• 6/14/1995 STScI-1995-07 25. Galaxy NGC 4881 and the Coma Cluster This Hubble telescope photo mosaic shows a field of distant galaxies. ... (More)

1994

• 10/17/1994 STScI-1994-40 26. Tale of Two Clusters Yields Secrets of Star Birth in the Early Universe The Hubble telescope has provided new insights into how stars may have formed many billions of years ago in the early universe. (More)
• 10/17/1994 STScI-1994-41 27. 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)
• 1/14/1994 STScI-1994-11 28. Hubble Uncovers Faint Stars in the Core of Globular Cluster These comparison images of the core of the globular cluster 47 Tucanae (NGC104) were taken with the COSTAR Corrected... (More)

1993

• 8/27/1993 STScI-1993-20 29. Core of the Globular Cluster NGC 6624 This is a comparison of pictures of the core of the globular cluster NGC 6624, as imaged with the European Space Agency's Faint Object Camera aboard NASA's Hubble Space Telescope. (More)
• 6/17/1993 STScI-1993-10 30. Comparison of a WFPC2 Thermal Vacuum Globular Cluster-Mask Image to Wfpc1 After NASA Hubble Space Telescope's refurbishment to correct spherical aberration, its resolution for imaging stars is expected to increase... (More)
• 6/9/1993 STScI-1993-13 31. Hubble Finds Evidence of Stellar Close Encounters: Bright Blue Stars and Naked Cores NASA's Hubble Space Telescope (HST) has discovered a new population of stars isolated deep in the core of M15, one of the densest... (More)
• 5/25/1993 STScI-1993-11 32. What Happens When Galaxies Collide? Hubble Space Telescope Finds New Surprises NASA's Hubble Space Telescope (HST) has discovered a new population of exceptionally bright and young star clusters at the heart of a head-on... (More)

1992

• 1/16/1992 STScI-1992-02 33. NASA's Hubble Space Telescope Discovers Young Star Clusters in Giant Galaxy NASA's Hubble Space Telescope has provided intriguing new clues to cataclysmic events in the history of the peculiar galaxy NGC 1275, located... (More)

1991

• 7/24/1991 STScI-1991-12 34. NASA's Hubble Space Telescope Finds "Blue Straggler" Stars in the Core of a Globular Cluster High resolution observations of the core of the globular cluster 47 Tucanae, made with the European Space Agency's... (More)

1990

• 1/16/1991 STScI-1990-25 35. The Hubble Reveals the Evolving Core of a Dense Star Cluster Astronomers today presented pictures taken with the Hubble Space Telescope of the heart of M15, a dense cluster of stars within our own Galaxy. (More)
• 1/16/1991 STScI-1990-23 36. The Hubble Reveals the Evolving Core of a Dense Star Cluster Astronomers today presented pictures taken with the Hubble Space Telescope of the heart of M15, a dense cluster of stars within our own Galaxy. (More)
• 10/14/1990 STScI-1990-12 37. Hubble Space Telescope Searches for a Historic Nova in Globular Cluster M14 NASA's Hubble Space Telescope (HST) has successfully completed the first stage of a cosmic detective... (More)