2012

• 7/11/2012 STScI-2012-32 1. 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 2. 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)

2011

• 7/20/2011 STScI-2011-23 3. 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)

2009

• 10/9/2009 STScI-2009-26 4. Hubble Observes LCROSS Impact Event NASA's Hubble Space Telescope has made a series of observations immediately preceding and following the Lunar Crater Observation and Sensing Satellite (LCROSS) Centaur... (More)
• 3/17/2009 STScI-2009-12 5. Quadruple Saturn Moon Transit Snapped by Hubble Saturn's comparatively paper-thin rings are tilted edge on to Earth every 15 years. Because the orbits of Saturn's major satellites are in the ring plane, too, this alignment... (More)

2008

• 12/18/2008 STScI-2008-42 6. Hubble Catches Jupiter's Largest Moon Going to the 'Dark Side' NASA's Hubble Space Telescope has caught Jupiter's moon Ganymede playing a game of "peek-a-boo." In this crisp Hubble image, Ganymede... (More)

2007

• 3/20/2007 STScI-2007-13 7. Saturn Stars in Three Hubble Movies Photogenic Saturn has now become a movie star. Astronomers have woven NASA Hubble Space Telescope images of Saturn, its rings, and several of its moons into three movies. (More)

2006

• 8/31/2006 STScI-2006-42 8. Hubble Captures a Rare Eclipse on Uranus This NASA Hubble Space Telescope image is a never-before-seen astronomical alignment of a moon traversing the face of Uranus, and its accompanying shadow. (More)
• 6/22/2006 STScI-2006-29 9. Pluto's Two Small Moons Officially Named Nix and Hydra A pair of small moons that NASA's Hubble Space Telescope discovered orbiting Pluto now have official names: Nix and Hydra. Photographed... (More)
• 3/10/2006 STScI-2006-15 10. Hubble's Latest Look at Pluto's Moons Supports a Common Birth The latest NASA Hubble Space Telescope images of Pluto's two newly discovered satellites reveal that the new moons have the same color as Charon. (More)
• 2/22/2006 STScI-2006-09 11. Hubble Confirms New Moons of Pluto Astronomers using NASA's Hubble Space Telescope have confirmed the presence of two new moons around the distant planet Pluto. The moons were first discovered... (More)

2005

• 10/31/2005 STScI-2005-19 12. NASA's Hubble Reveals Possible New Moons Around Pluto NASA's Hubble Space Telescope has spotted two possible new moons orbiting Pluto, the ninth planet in our solar system. If confirmed, the candidate moons could provide... (More)
• 10/19/2005 STScI-2005-29 13. NASA's Hubble Looks for Possible Moon Resources NASA has enlisted the Hubble Space Telescope's unique "vision" capabilities for making a new class of science observations of the Moon that support future human exploration. (More)

2004

• 11/4/2004 STScI-2004-30 14. Hubble Spots Rare Triple Eclipse on Jupiter At first glance, Jupiter looks like it has a mild case of the measles. Five spots – one colored white, one blue, and three black – are scattered... (More)

2003

• 9/25/2003 STScI-2003-29 15. Hubble Uncovers Smallest Moons Yet Seen Around Uranus Astronomers have discovered two of the smallest moons yet found around Uranus. The new moons, uncovered by NASA's Hubble Space Telescope... (More)

1999

• 4/20/1999 STScI-1999-13 16. Hubble Clicks Images of Io Sweeping across Jupiter While hunting for volcanic plumes on Io, the Hubble telescope captured these images of the volatile moon sweeping across the giant face of Jupiter. (More)
• 4/16/1999 STScI-1999-14 17. Hubble Shoots the Moon In a change of venue from peering at the distant universe, the Hubble telescope has taken a look at Earth's closest neighbor in space, the Moon. Hubble was aimed at one of the Moon's most dramatic... (More)

1998

• 6/24/1998 STScI-1998-23 18. Hubble Space Telescope Helps Find Evidence that Neptune's Largest Moon Is Warming Up Observations obtained by the Hubble telescope and ground-based instruments reveal that Neptune's largest moon, Triton... (More)

1997

• 11/20/1997 STScI-1997-37 19. Hubble Provides Infrared View of Moon, Ring, and Clouds Probing Jupiter's atmosphere for the first time, the Hubble telescope's infrared camera is providing a sharp glimpse of the planet's ring, moon, and high-altitude... (More)
• 6/19/1997 STScI-1997-21 20. Hubble Captures Volcanic Eruption Plume From Io The Hubble telescope has snapped a picture of a 400-kilometer-high (250-mile-high) plume of gas and dust from a volcanic eruption on Io, Jupiter's large, innermost moon. (More)