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Oxygen Detected in Atmosphere of Saturn's Moon Dione: Discovery Could Mean Ingredients for Life Are Abundant on Icy Space Bodies
March 2, 2012 — An international research team has discovered molecular oxygen ions (O2+) in the upper-most atmosphere of Dione, one of the 62 known moons orbiting the ringed planet. The research was made ... > full storyMore: -
Analyses of a Tiny Comet Grain Dates Jupiter's Formation
March 1, 2012 — Particles from comet 81P/Wild 2 brought to Earth in 2006 by NASA's Stardust spacecraft indicate that Jupiter formed more than three million years after the formation of the first solids in our Solar ... > full story -
As Voyager 1 Nears Edge of Solar System, Scientists Look Back
December 13, 2011 — In 1977, Jimmy Carter was sworn in as president, Elvis died, Virginia park ranger Roy Sullivan was hit by lightning a record seventh time and two NASA space probes destined to turn planetary science ... > full story -
Lightning Sprites Are out-of-This-World: 'Sprites' Predicted in Atmospheres of Jupiter, Saturn and Venus
November 21, 2011 — Lightning storms on planets like Jupiter, Saturn, and Mars may also produce "sprites," bursts of electric energy. Scientists have re-created the atmospheres of these planets to produce artificial ... > full story -
Giant Planet Ejected from the Solar System?
November 10, 2011 — Just as an expert chess player sacrifices a piece to protect the queen, the solar system may have given up a giant planet and spared the Earth, according to a new ... > full story -
Three New Planets and a Mystery Object Discovered Outside Our Solar System
October 27, 2011 — Three planets -- each orbiting its own giant, dying star -- have now been discovered by a team led by Alexander Wolszczan, the discoverer of the first planets ever found outside our solar system. One ... > full story -
Astronomers Find Bounty of Failed Stars: One Youngster Only Six Times Heftier Than Jupiter
October 11, 2011 — A team of astronomers has discovered over two dozen new free-floating brown dwarfs, including a lightweight youngster only about six times heftier than Jupiter, that reside in two young star ... > full story -
Series of Bumps Sent Uranus Into Its Sideways Spin, New Research Suggests
October 6, 2011 — Uranus' highly tilted axis makes it something of an oddball in our solar system. The accepted wisdom is that Uranus was knocked on its side by a single large impact, but new research rewrites our ... > full story -
Hubble to Target 'Hot Jupiters'
September 7, 2011 — An international team of astronomers has set out on the largest program to date exploring the alien atmospheres of "Hot Jupiters" -- massive planets in solar systems far away from our ... > full story -
Jupiter-Bound Space Probe Captures Earth and Moon
August 30, 2011 — On its way to the biggest planet in the solar system -- Jupiter, NASA's Juno spacecraft took time to capture its home planet and its natural satellite -- the ... > full story
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