2004 (continued)

• 7/15/2004 STScI-2004-24 21. 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)
• 2/15/2004 STScI-2004-08 22. 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)

2003

• 10/30/2003 STScI-2003-32 23. 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)
• 1/7/2003 STScI-2003-01 24. 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

• 2/15/2002 STScI-2002-06 25. 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 26. 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)
• 6/27/2001 STScI-2001-20 27. 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

• 1/24/2000 STScI-2000-07 28. 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 29. 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

• 5/13/1999 STScI-1999-18 30. 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)