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Fastest spinning star ever discovered rotates 100 times faster than sun
Astronomers have found the fastest spinning star ever discovered. The hot blue giant rotates at one million miles per hour, or 100 times faster than our sun.
December 5, 2011
Saturn’s moon Rhea and the shadow of Saturn’s rings
In this beautiful image, Saturn itself is in the background. The moon Rhea is in silhouette. The dark lines are the shadow of Saturn's rings.
December 4, 2011
Astronomers find strange new species of red galaxies
The four very red galaxies seen by NASA's Spitzer Space Telescope might be a 'missing link' in galaxy evolution, CfA astronomers say.
December 3, 2011
Martian avalanches may be caused by meteors
Orbiting spacecraft have now seen avalanches of dust on the surface of the planet Mars. Martian avalanches and quakes might be caused by meteor airbursts.
December 2, 2011
Video: Glide over Asteroid Vesta in 3D
Get out your 3D glasses and glide over the giant asteroid Vesta with NASA's Dawn spacecraft. See the surface as if you were there!
December 2, 2011
Martian gullies not all formed by flowing water
Some Martian gullies at the poles might have formed when a seasonal accumulation of carbon dioxide frost sublimed - turned directly from a solid to a gas.
December 2, 2011
View from space: Layers of atmosphere on the horizon
Gorgeous. See the layers of atmosphere above Earth's surface on the horizon of this view from the International Space Station.
December 1, 2011
Tiny worms might help humans get to Mars
Scientists have been studying tiny worms might someday help humans get to Mars. They sent 4,000 worms up on the space shuttle Discovery.
November 30, 2011
Solar sail mission might help clean up low-Earth orbit
NanoSail-D - carrying NASA's 1st-ever solar sail mission in low-Earth orbit - might pave the way for a clean-up of decommissioned satellites and space debris.
November 29, 2011
Cosmic rays from the heart of Cygnus
Young cosmic rays, with energies like those produced in powerful particle accelerators on Earth, are coming from the direction of the constellation Cygnus.
November 29, 2011
