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Uranus Auroras Glimpsed from Earth
April 13, 2012 — For the first time, scientists have captured images of auroras above the giant ice planet Uranus, finding further evidence of just how peculiar a world that distant planet is. Detected by means of ... > full story -
Jupiter Helps Halley’s Comet Give Us More Spectacular Meteor Displays
March 27, 2012 — The dramatic appearance of Halley's comet in the night sky has been observed and recorded by astronomers since 240 BC. Now a study shows that the orbital influences of Jupiter on the comet and the ... > full story -
Geologic Map of Jupiter's Moon Io Details an Otherworldly Volcanic Surface
March 19, 2012 — More than 400 years after Galileo's discovery of Io, the innermost of Jupiter's largest moons, a team of scientists has produced the first complete global geologic map of the Jovian ... > full story -
Cassini Spies Wave Rattling Jet Stream on Jupiter
March 13, 2012 — New movies of Jupiter are the first to catch an invisible wave shaking up one of the giant planet's jet streams, an interaction that also takes place in Earth's atmosphere and influences the weather. ... > full story -
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
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