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Jupiter's Youthful Travels Redefined Solar System
June 6, 2011 — Jupiter's travels profoundly influenced the solar system, changing the nature of the asteroid belt and making Mars smaller than it should have been. These details are based on a new model of the ... > full story -
New Solar System Formation Models Indicate That Jupiter's Foray Robbed Mars of Mass
June 5, 2011 — Planetary scientists have long wondered why Mars is only about half the size and one-tenth the mass of Earth. As next-door neighbors in the inner solar system, probably formed about the same time, ... > full story -
Free-Floating Planets May Be More Common Than Stars
May 18, 2011 — Astronomers, including a NASA-funded team member, have discovered a new class of Jupiter-sized planets floating alone in the dark of space, away from the light of a star. The team believes these lone ... > full story -
NASA's Galileo Reveals Magma 'Ocean' Beneath Surface of Jupiter's Moon
May 12, 2011 — A new analysis of data from NASA's Galileo spacecraft reveals a subsurface "ocean" of magma beneath the surface of Jupiter's volcanic moon Io. The finding is the first direct confirmation of such a ... > full story -
How 'Hot Jupiters' Got So Close to Their Stars: Extrasolar Planet Research Sheds Light on Our Solar System
May 11, 2011 — More than 500 extrasolar planets -- planets that orbit stars other than the sun -- have been discovered since 1995. But only in the last few years have astronomers observed that in some of these ... > full story -
Beams of Electrons Link Saturn With Its Moon Enceladus
April 20, 2011 — Data from NASA's Cassini spacecraft have revealed that Enceladus, one of Saturn's diminutive moons, is linked to Saturn by powerful electrical currents -- beams of electrons that flow back and forth ... > full story -
Astronomers Can Tune in to Radio Auroras to Find Exoplanets
April 18, 2011 — Detecting exoplanets that orbit at large distances from their star remains a challenge for planet hunters. Now, scientists have shown that emissions from the radio aurora of planets like Jupiter ... > full story -
Mysteries of Jupiter and Saturn Rings: Forensic Sleuthing Ties Ring Ripples to Impacts
March 31, 2011 — Like forensic scientists examining fingerprints at a cosmic crime scene, scientists working with data from NASA's Cassini, Galileo and New Horizons missions have traced telltale ripples in the rings ... > full story -
New Observations of the Giant Planet Orbiting Beta Pictoris
March 3, 2011 — New observations have been made of the giant planet around beta Pictoris. Discovered in 2009, this planet, called beta Pictoris b, has now been detected again with the NaCo instrument on the VLT. ... > full story -
Proposed Mission to Jupiter System Achieves Milestone
February 4, 2011 — With input from scientists around the world, American and European scientists working on the potential next new mission to the Jupiter system have articulated their joint vision for the Europa ... > full story
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