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Video: How NASA intends to capture an asteroid
Why capture an asteroid? It's something NASA wants to learn to do, in case astronomers someday find an asteroid on a collision course with Earth.
April 10, 2013
It’s raining from Saturn’s rings
Scientists believe that a rain of charged water particles from Saturn's icy rings flows into the planet's atmosphere.
April 10, 2013
Dying star blows off ghostly green bubble in space
Toward the end of its life, our own sun will go through a phase very much like the one pictured here.
April 10, 2013
Fusion rocket researchers envision 30-day trip to Mars
Will rockets powered by fusion eventually make interplanetary travel commonplace?
April 9, 2013
More great images in celebration of International Dark Sky Week
International Dark Sky Week is happening right now (April 5-11) . To celebrate, enjoy these fantastic pics - they make us say WOW. And post your own.
April 9, 2013
NASA plans to catch asteroid and place in orbit around moon
Why? In part because there's a growing realization that Earth is vulnerable to an asteroid strike.
April 8, 2013
NASA announces next-generation exoplanet hunter
Kepler has been amazing, but its field of view is small. TESS will be able to survey the entire sky, seeking planets orbiting other stars.
April 7, 2013
Is this green rock from Mercury?
A meteorite designated Northwest Africa 7325 has a highly unusual chemistry similar to that measured by NASA's Mercury Messenger probe.
April 5, 2013
Curiosity rover’s parachute flapping in the wind on Mars
NASA has released seven images from the Mars Reconnaissance Orbiter showing Curiosity's parachute shifting its shape in response to the wind on Mars.
April 4, 2013
100 billion planets, say astronomers
Planets planets everywhere, and 100 billion of them Earth-like? A team of astronomers in New Zealand says it has just the technique to detect them.
April 3, 2013
