European astronomers on Tuesday said they had found a distant star orbited by at least five planets in the biggest discovery of so-called exoplanets since the first was logged 15 years ago. One of the planets is nearly the mass of Earth.

Would-be songwriters will get a chance at fame by penning a wake-up song for NASA's last space shuttle mission, officials said.

Discovery of a rare magnetic star challenges theories about the origin of black holes, astronomers claim.

Why are some hills on Mars so layered? The answer is still under investigation. Clearly, dark windblown sand surrounds o...

One can say that NASA has thoroughly embraced Twitter as an outreach tool. We have astronauts tweeting from orbit, planetary probes tweeting from space, and now a tweeting space robot! Best of all, you can interact with this new member of the ISS crew this week.

A huge ball of brightly burning gas drifting through a neighboring galaxy may be the heaviest star ever discovered -- hundreds of times more massive than the sun, scientists said Wednesday after working out its weight for the first time.

As part of Road Trip 2010, CNET reporter Daniel Terdiman got a chance to visit with Carter Emmert,Emmart talked about th...

If the human species should be destroyed on Earth, our future may reside on the Moon if plans being drawn up for a “Doomsday ark” on the moon by the European Space Agency are carried through. The Ark will contain the essentials of life and human civilization, to be activated in the event of earth being devastated by a giant asteroid or nuclear war.

The first direct image of an extrasolar planet orbiting a star similar to our Sun has been confirmed. Located just 500 l...

In 1962, the US government thought it might be a good idea to send a hydrogen bomb hundreds of miles into the air and de...