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)
• 10/8/2010 STScI-2010-33 11. NASA Mission to Asteroid Gets Help from Hubble Space Telescope NASA's Hubble Space Telescope has captured images of the large asteroid Vesta that will help scientists refine plans for the Dawn spacecraft's rendezvous... (More)
• 10/5/2010 STScI-2010-35 12. Hubble Probes Comet 103P/Hartley 2 in Preparation for DIXI/EPOXI Flyby Hubble Space Telescope observations of comet 103P/Hartley 2, taken on September 25, are helping in the planning for a November... (More)
• 9/13/2010 STScI-2010-32 13. Hubble Harvests Distant Solar System Objects This is an artist's concept of a craggy piece of solar system debris that belongs to a class of bodies called trans-Neptunian objects (TNOs). (More)
• 6/16/2010 STScI-2010-20 14. Mysterious Flash on Jupiter Left No Debris Cloud Detailed observations made by the Wide Field Camera 3 on NASA's Hubble Space Telescope have found an answer to the flash of light seen June 3 on Jupiter. (More)
• 6/3/2010 STScI-2010-16 15. Hubble Images Suggest Rogue Asteroid Smacked Jupiter Without warning, a mystery object struck Jupiter on July 19, 2009, leaving a dark bruise the size of the Pacific Ocean. The spot first caught the eye of an amateur astronomer... (More)
• 2/15/2010 STScI-2010-09 16. Hubble Captures Saturn's Double Light Show In January and March 2009, astronomers using NASA's Hubble Space Telescope took advantage of a rare opportunity to record Saturn when its rings were edge-on, resulting... (More)
• 2/4/2010 STScI-2010-06 17. New Hubble Maps of Pluto Show Surface Changes Since its discovery in 1930, Pluto has been a speck of light in the largest ground-based telescopes. But NASA's Hubble Space Telescope... (More)
• 2/2/2010 STScI-2010-07 18. Suspected Asteroid Collision Leaves Odd X-Pattern of Trailing Debris Something awfully curious is happening 100 million miles from Earth in the asteroid belt. There's a newly discovered object that superficially... (More)

2009

• 12/16/2009 STScI-2009-33 19. Hubble Finds Smallest Kuiper Belt Object Ever Seen NASA's Hubble Space Telescope has discovered the smallest object ever seen in visible light in the Kuiper Belt, a vast ring of icy debris that is encircling... (More)
• 10/9/2009 STScI-2009-26 20. 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)
• 9/9/2009 STScI-2009-25 21. Hubble Opens New Eyes on the Universe NASA's Hubble Space Telescope is back in business, ready to uncover new worlds, peer ever deeper into space, and even map the invisible backbone of the universe. (More)
• 7/24/2009 STScI-2009-23 22. Hubble Captures Rare Jupiter Collision NASA scientists have interrupted the checkout and calibration of the Hubble Space Telescope to aim the recently refurbished observatory at a new expanding spot on the giant planet Jupiter. (More)
• 3/17/2009 STScI-2009-12 23. 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 24. 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)
• 7/17/2008 STScI-2008-27 25. Three Red Spots Mix it Up on Jupiter This sequence of Hubble Space Telescope images offers an unprecedented view of a planetary game of Pac-Man among three red spots clustered together in Jupiter's atmosphere. (More)
• 5/22/2008 STScI-2008-23 26. New Red Spot Appears on Jupiter In what's beginning to look like a case of planetary measles, a third red spot has appeared alongside its cousins — the Great Red Spot and Red Spot Jr. — in the turbulent... (More)
• 1/23/2008 STScI-2008-06 27. Internal Heat Drives Jupiter's Giant Storm Eruption Detailed analysis of two continent-sized storms that erupted in Jupiter's atmosphere in March 2007 shows that Jupiter's internal heat plays a significant role in generating... (More)

2007

• 12/18/2007 STScI-2007-45 28. Mars: Closest Approach 2007 NASA's Hubble Space Telescope took this close-up of the red planet Mars when it was just 55 million miles – 88 million kilometers – away. This color image was assembled from a series of exposures... (More)
• 11/15/2007 STScI-2007-40 29. Hubble Zooms In on Heart of Mystery Comet NASA's Hubble Space Telescope has probed the bright core of Comet 17P/Holmes, which, to the delight of sky watchers, mysteriously brightened by nearly a millionfold... (More)
• 8/23/2007 STScI-2007-32 30. Going, Going, Gone: Hubble Captures Uranus's Rings on Edge This series of images from NASA's Hubble Space Telescope shows how the ring system around the distant planet Uranus appears at ever more oblique (shallower)... (More)
• 6/28/2007 STScI-2007-25 31. Hubble Catches Jupiter Changing Its Stripes Massive Jupiter is undergoing dramatic atmospheric changes that have never been seen before with the keen "eye" of NASA's Hubble Space Telescope. (More)
• 6/20/2007 STScI-2007-27 32. Hubble Images of Asteroids Help Astronomers Prepare for Spacecraft Visit These Hubble Space Telescope images of Vesta and Ceres show two of the most massive asteroids in the asteroid belt, a region between Mars and Jupiter. (More)
• 6/14/2007 STScI-2007-24 33. Astronomers Measure Mass of Largest Dwarf Planet NASA's Hubble Space Telescope has teamed up with the W.M. Keck Observatory to precisely measure the mass of Eris, the largest member of a new class of dwarf planets... (More)
• 3/20/2007 STScI-2007-13 34. 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)
• 3/1/2007 STScI-2007-11 35. Hubble Monitors Jupiter in Support of the New Horizons Flyby NASA's Hubble Space Telescope has recently taken images of Jupiter in support of the New Horizons Mission. The images were taken with Hubble's... (More)

2006

• 9/28/2006 STScI-2006-47 36. Hubble Discovers Dark Cloud in the Atmosphere of Uranus Just as we near the end of the hurricane season in the Atlantic Ocean, winds whirl and clouds churn 2 billion miles away in the atmosphere of Uranus, forming... (More)
• 8/31/2006 STScI-2006-42 37. 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 38. 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)
• 5/4/2006 STScI-2006-19 39. Hubble Snaps Baby Pictures of Jupiter's "Red Spot Jr." NASA's Hubble Space Telescope is giving astronomers their most detailed view yet of a second red spot emerging on Jupiter. For the first time in history, astronomers... (More)
• 4/27/2006 STScI-2006-18 40. Hubble Provides Spectacular Detail of a Comet's Breakup Hubble Space Telescope is providing astronomers with extraordinary views of Comet 73P/Schwassmann-Wachmann 3. The fragile comet is rapidly disintegrating as it approaches... (More)
• 4/11/2006 STScI-2006-16 41. Hubble Finds 'Tenth Planet' is Slightly Larger than Pluto NASA's Hubble Space Telescope has resolved the "tenth planet," nicknamed "Xena," for the first time and has found... (More)
• 3/10/2006 STScI-2006-15 42. 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 43. 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

• 12/22/2005 STScI-2005-33 44. NASA's Hubble Discovers New Rings and Moons Around Uranus Even though the Voyager 2 spacecraft paid a close-up visit to Uranus in 1986, the distant planet continues revealing surprises... (More)
• 11/3/2005 STScI-2005-34 45. Mars Kicks Up the Dust as it Makes Closest Approach to Earth NASA's Hubble Space Telescope snapped this picture of Mars on October 28, within a day of its closest approach... (More)
• 10/31/2005 STScI-2005-19 46. 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 47. 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)
• 9/7/2005 STScI-2005-27 48. Largest Asteroid May Be 'Mini Planet' with Water Ice Observations of Ceres, the largest known asteroid, have revealed that the object may be a "mini planet," sharing many characteristics of the rocky, terrestrial... (More)
• 9/1/2005 STScI-2005-22 49. Hubble Makes Movie of Neptune's Dynamic Atmosphere NASA's Hubble Space Telescope captures the distant blue-green world, Neptune, and its satellites in this portrait. Astronomers used Hubble’s assortment of filters to pinpoint... (More)
• 7/4/2005 STScI-2005-17 50. Hubble Captures Deep Impact's Collision with Comet NASA's Hubble Space Telescope captured the dramatic effects of the collision early July 4 between an 820-pound projectile released by the Deep Impact spacecraft... (More)