Hot Plasma Explosions Inflate Saturn's Magnetic Field
Source: JPL/NASA Posted: 12/17/10 A new analysis based on data from NASA's Cassini spacecraft finds a causal link between mysterious, periodic signals from Saturn's magnetic field and explosions of hot ionized gas, known as plasma, around the planet.
Fourth Planet Discovered in Extra-Solar System
Source: LLNL Posted: 12/15/10 Astronomers have discovered a fourth giant planet, joining three others that, in 2008, were the subject of the first-ever pictures of a planetary system orbiting another star.
Learning From Hot Jupiters
Source: MIT Posted: 12/15/10 By studying how massive planets may have formed, MIT astrophysicist sets the stage for studying smaller, more Earthlike planets.
NASA Probe Sees Solar Wind Decline
Source: JPL/NASA Posted: 12/15/10 The 33-year odyssey of NASA's Voyager 1 spacecraft has reached a distant point at the edge of our solar system where there is no outward motion of solar wind.
Massive Galaxies Formed When Universe Was Young
Source: Tufts Posted: 12/1/10 Some of the universe's most massive galaxies may have formed billions of years earlier than current scientific models predict, according to surprising new research findings.