2013

• 5/9/2013 STScI-2013-18 1. Hubble Finds Dead Stars 'Polluted' with Planet Debris Deep inside the Hyades star cluster, a pair of burned-out stars are yielding clues to the presence of rocky planets that may have whirled around them. Asteroid... (More)
• 4/23/2013 STScI-2013-14 2. Hubble Captures Comet ISON Comet ISON is potentially the "comet of the century" because around the time the comet makes its closest approach to the Sun, on November 28, it may briefly become brighter than the full Moon. (More)

2012

• 11/1/2012 STScI-2012-44 3. Asteroid Belts of Just the Right Size are Friendly to Life Solar systems with life-bearing planets may be rare if they are dependent on the presence of asteroid belts of just the right mass, according... (More)
• 7/11/2012 STScI-2012-32 4. Hubble Discovers a Fifth Moon Orbiting Pluto A team of astronomers using NASA's Hubble Space Telescope is reporting the discovery of another moon orbiting the icy dwarf planet Pluto. The moon is estimated to be irregular... (More)
• 5/4/2012 STScI-2012-22 5. Hubble to Use Moon as Mirror to See Venus Transit This mottled landscape showing the impact crater Tycho is among the most violent-looking places on our Moon. Astronomers... (More)
• 4/19/2012 STScI-2012-21 6. Hubble Spots Aurorae on the Planet Uranus These are among the first clear images, taken from the distance of Earth, to show aurorae on the planet Uranus. This composite image combines 2011 Hubble observations... (More)

2011

• 7/20/2011 STScI-2011-23 7. NASA's Hubble Discovers Another Moon Around Pluto These two images, taken about a week apart by NASA's Hubble Space Telescope, show four moons orbiting the distant, icy dwarf planet Pluto. The green circle in both snapshots... (More)
• 7/12/2011 STScI-2011-19 8. Neptune Completes Its First Circuit Around The Sun Since Its Discovery These four images of Neptune were taken by NASA's Hubble Space Telescope during the planet's 16-hour rotation. The snapshots were taken at roughly... (More)
• 4/28/2011 STScI-2011-13 9. NASA's SWIFT and Hubble Probe Asteroid Collision Debris Late last year, astronomers noticed an asteroid named Scheila had unexpectedly brightened, and it was sporting short-lived plumes. Data from NASA's Swift satellite... (More)

2010

• 10/13/2010 STScI-2010-34 10. Hubble Finds that a Bizarre X-Shaped Intruder Is Linked to an Unseen Asteroid Collision Last January astronomers thought they had witnessed a fresh collision between two asteroids... (More)