2013

• 6/13/2013 STScI-2013-20 1. Hubble Uncovers Evidence for Extrasolar Planet Under Construction Nearly 900 extrasolar planets have been confirmed to date, but now for the first time astronomers think they are seeing compelling evidence for a planet under construction... (More)
• 6/4/2013 STScI-2013-21 2. Hubble Maps 3-D Structure of Ejected Material Around Erupting Star After 45 years of peaceful bliss, the nova T Pyxidis erupted again in 2011. Astronomers took advantage of a flash of light accompanying... (More)
• 6/3/2013 STScI-2013-22 3. Rare Stellar Alignment Offers Opportunity to Hunt for Planets The ancients thought that stars were fixed pinpoints of light on the sky. Today we know that they are all moving, like fish in a pond. This so-called... (More)
• 5/9/2013 STScI-2013-18 4. 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)
• 4/4/2013 STScI-2013-11 5. Hubble Breaks Record in Search for Farthest Supernova A long time ago, in a galaxy far, far away, a star detonated with enough energy to briefly shine with an intrinsic brightness of one billion of our suns. (More)
• 2/7/2013 STScI-2013-04 6. Strobe-like Flashes Discovered in a Suspected Binary Protostar A mysterious infant star, swaddled inside a dusty blanket, behaves like a police strobe light. The newly discovered object offers... (More)
• 1/8/2013 STScI-2013-02 7. NASA Space Telescopes See Weather Patterns in Brown Dwarf Astronomers using NASA's Hubble and Spitzer space telescopes have probed the stormy atmosphere of a brown dwarf named 2MASSJ22282889-431026, creating... (More)
• 1/8/2013 STScI-2013-01 8. Hubble Reveals Rogue Planetary Orbit for Fomalhaut b Newly released Hubble Space Telescope images of a vast debris disk encircling the nearby star Fomalhaut, and of a mysterious planet circling it, may provide forensic... (More)

2012

• 10/29/2012 STScI-2012-46 9. Additional Kepler Data Now Available to All Planet Hunters The Space Telescope Science Institute in Baltimore, Md., is releasing 12 additional months worth of planet-searching data meticulously collected... (More)
• 7/26/2012 STScI-2012-33 10. ESO Telescopes Find Most Stellar Heavyweights Don't Live Alone A new study using European Southern Observatory (ESO) telescopes, including the Very Large Telescope, has shown that most very bright high-mass... (More)
• 7/17/2012 STScI-2012-28 11. Why Is Earth So Dry? With large swaths of oceans, rivers that snake for hundreds of miles, and behemoth glaciers near the north and south poles, Earth doesn't seem to have a water shortage. (More)
• 7/3/2012 STScI-2012-30 12. NASA's Hubble Views a Cosmic Skyrocket Resembling a Fourth of July skyrocket, Herbig-Haro 110 is a geyser of hot gas from a newborn star that splashes up against and ricochets from the dense core of a cloud of molecular... (More)
• 6/28/2012 STScI-2012-23 13. Hubble, Swift Detect First-Ever Changes in an Exoplanet Atmosphere An international team of astronomers using data from the NASA's Hubble Space Telescope has made an unparalleled observation, detecting significant changes... (More)
• 5/30/2012 STScI-2012-25 14. Stellar Archaeology Traces Milky Way's History Unfortunately, stars don't have birth certificates. So, astronomers have a tough time figuring out their ages. Knowing a star's age is critical for understanding... (More)
• 4/5/2012 STScI-2012-17 15. Space Astronomy Archive and Distant Supernova Are Named in Honor Of U.S. Senator Barbara A. Mikulski One of the world's largest astronomy archives, containing a treasure trove of information... (More)
• 2/21/2012 STScI-2012-13 16. NASA's Hubble Reveals a New Class of Extrasolar Planet Observations of the extrasolar planet GJ1214b by NASA's Hubble Space Telescope have come up with a new class of planet, a waterworld enshrouded... (More)
• 2/15/2012 STScI-2012-12 17. Astronomers Watch Delayed Broadcast of a Powerful Stellar Eruption Astronomers are watching a delayed broadcast of a spectacular outburst from the unstable, behemoth double-star system Eta Carinae, an event initially... (More)
• 1/11/2012 STScI-2012-07 18. The Milky Way Contains at Least 100 Billion Planets According to Survey Our Milky Way galaxy contains a minimum of 100 billion planets according to a detailed statistical study based on the detection of three extrasolar... (More)
• 1/11/2012 STScI-2012-02 19. NASA's Hubble Breaks New Ground with Distant Supernova Discovery NASA's Hubble Space Telescope has detected a distant Type Ia supernova, the farthest stellar explosion that can be used to measure the expansion... (More)

2011

• 12/5/2011 STScI-2011-39 20. Fastest Rotating Star Found in Neighboring Galaxy An international team of astronomers using the European Southern Observatory's Very Large Telescope have found the fastest spinning star ever discovered. VFTS 102 rotates... (More)
• 10/6/2011 STScI-2011-29 21. Astronomers Find Elusive Planets in Decade-Old Hubble Data In a painstaking re-analysis of Hubble Space Telescope images from 1998, astronomers have found visual evidence for two extrasolar planets that went undetected... (More)
• 8/31/2011 STScI-2011-20 22. Hubble Movies Provide Unprecedented View of Supersonic Jets from Young Stars A team of scientists has collected enough high-resolution Hubble Space Telescope images over a 14-year period to stitch together time-lapse... (More)
• 8/11/2011 STScI-2011-24 23. Hubble Offers a Dazzling View of the 'Necklace' Nebula A giant cosmic necklace glows brightly in this NASA Hubble Space Telescope image. The object, aptly named the Necklace Nebula, is a recently discovered planetary... (More)
• 7/5/2011 STScI-2011-22 24. NASA's Hubble Makes One Millionth Science Observation NASA's Hubble Space Telescope crossed another milestone in its 21-year space odyssey of exploration and discovery. On Monday, July 4, the Earth-orbiting observatory... (More)
• 5/25/2011 STScI-2011-16 25. NASA's Hubble Finds Rare Blue Straggler Stars in the Milky Way's Hub Peering deep into the star-filled, ancient hub of our Milky Way (left), NASA's Hubble Space Telescope has found a rare class of oddball... (More)
• 5/23/2011 STScI-2011-15 26. Hubble Views the Star that Changed the Universe Though the universe is filled with billions upon billions of stars, NASA's Hubble Space Telescope has been trained on a single variable star that in 1923 altered... (More)
• 3/14/2011 STScI-2011-08 27. NASA's Hubble Rules Out One Alternative to Dark Energy Astronomers using NASA's Hubble Space Telescope have ruled out an alternate theory on the nature of dark energy after recalculating the expansion... (More)
• 1/10/2011 STScI-2011-02 28. NASA's Hubble Finds that Puny Stars Pack a Big Punch A survey of more than 200,000 stars in our Milky Way galaxy has unveiled the sometimes petulant behavior of tiny dwarf stars. (More)

2010

• 9/2/2010 STScI-2010-30 29. New Hubble Observations of Supernova 1987A Trace Shock Wave An international team of astronomers using the Hubble Space Telescope reports a significant brightening of the emissions from Supernova 1987A. The results... (More)
• 7/22/2010 STScI-2010-19 30. Hyperfast Star Was Booted from Milky Way A hundred million years ago, a triple-star system was traveling through the bustling center of our Milky Way galaxy when it made a life-changing misstep. The trio wandered... (More)
• 7/15/2010 STScI-2010-21 31. Superhot Planet Likely Possesses Comet-like Tail As if the debate over what is and what is not a planet hasn't gotten confusing enough, Hubble Space Telescope astronomers have now confirmed the existence of a tortured... (More)
• 5/24/2010 STScI-2010-17 32. Out of Whack Planetary System Offers Clues to a Disturbed Past For just over a decade, astronomers have known that three Jupiter-type planets orbit the yellow-white star Upsilon Andromedae. But to their surprise... (More)
• 5/20/2010 STScI-2010-15 33. Hubble Finds Star Eating a Planet "The Star That Ate My Planet" may sound like a B-grade science fiction movie title, but this is really happening 600 light-years away. Like a moth in a candle flame, a doomed Jupiter-sized... (More)
• 5/11/2010 STScI-2010-14 34. Hubble Catches Heavyweight Runaway Star Speeding from 30 Doradus A blue-hot star, 90 times more massive than our Sun, is hurtling across space fast enough to make a round trip from Earth to the Moon in merely two hours. (More)
• 4/22/2010 STScI-2010-13 35. Starry-Eyed Hubble Celebrates 20 Years of Awe and Discovery NASA's best-recognized, longest-lived, and most prolific space observatory zooms past a threshold of 20 years of operation this month. (More)
• 4/6/2010 STScI-2010-03 36. Small Companion to Brown Dwarf Challenges Simple Definition As our telescopes grow more powerful, astronomers are uncovering objects that defy conventional wisdom. This latest example is the discovery of a planet-like... (More)

2009

• 9/9/2009 STScI-2009-25 37. 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)
• 6/25/2009 STScI-2009-22 38. STScI Joins the Search for Other Earths in Space The Space Telescope Science Institute (STScI) in Baltimore, Md., is partnering on a historic search for Earth-size planets around other stars. (More)
• 4/1/2009 STScI-2009-15 39. Hubble Finds Hidden Exoplanet in Archival Data In 19 years of observations, the Hubble Space Telescope has amassed a huge archive of data. That archive may contain the telltale glow of undiscovered extrasolar planets... (More)
• 3/22/2009 STScI-2009-13 40. Hubble Uncovers an Unusual Stellar Progenitor to a Supernova Astronomers have detailed theories about what type of stars self-destruct in titanic supernova explosions. However, it would be useful to test stellar... (More)
• 1/7/2009 STScI-2009-03 41. Hubble Finds Stars That 'Go Ballistic' Resembling comets streaking across the sky, these four speedy stars are plowing through regions of dense interstellar gas and creating brilliant arrowhead structures and trailing... (More)
• 1/6/2009 STScI-2009-04 42. Star Light, Star Bright, Its Explanation is Out of Sight This pair of NASA Hubble Space Telescope pictures shows the appearance of a mysterious burst of light that was detected on February 21, 2006, brightened... (More)
• 1/5/2009 STScI-2009-01 43. Brown Dwarfs Don't Hang Out With Stars Brown dwarfs, objects that are less massive than stars but larger than planets, just got more elusive, based on studies of nearby multiple-star systems... (More)

2008

• 12/9/2008 STScI-2008-41 44. Hubble Finds Carbon Dioxide on an Extrasolar Planet NASA's Hubble Space Telescope has discovered carbon dioxide in the atmosphere of a planet orbiting another star. This is an important step along the trail of finding... (More)
• 11/13/2008 STScI-2008-39 45. Hubble Directly Observes Planet Orbiting Fomalhaut Astronomers using NASA's Hubble Space Telescope have taken the first visible-light snapshot of a planet orbiting another star. The images show the planet, named Fomalhaut... (More)
• 7/1/2008 STScI-2008-22 46. Hubble Sees Stars and a Stripe in Celestial Fireworks A delicate ribbon of gas floats eerily in our galaxy. A contrail from an alien spaceship? A jet from a black-hole? Actually... (More)
• 3/19/2008 STScI-2008-11 47. Hubble Finds First Organic Molecule on an Exoplanet NASA's Hubble Space Telescope has made the first detection ever of an organic molecule in the atmosphere of a Jupiter-sized planet orbiting another star. This breakthrough... (More)
• 1/10/2008 STScI-2008-01 48. Circumstellar Dust Takes Flight in 'The Moth' What superficially resembles a giant moth floating in space is giving astronomers new insight into the formation and evolution of planetary systems. This is not your typical... (More)

2007

• 12/11/2007 STScI-2007-44 49. Hubble Finds that Extrasolar Planet Has a Hazy Sunset A team of astronomers, led by Frederic Pont from the Geneva University Observatory in Switzerland, has detected for the first time strong evidence... (More)
• 12/4/2007 STScI-2007-42 50. 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)