Russian Soyuz spacecraft lit up the sky above Central Asia today as it soared into space to ferry two Americans and one Russian cosmonaut to the International Space Station.

The moon's interior may harbor 100 times more water than previous estimates, according to a new study that took a fresh look at samples of moon rocks collected by Apollo astronauts nearly 40 years ago.

Ancient Mars was covered by a vast ocean that blanketed more than a third of the red planet's surface, new research suggests.

A NASA contractor says the space agency is trying to prematurely halt work on the Constellation program, which the Obama administration wants to cancel.

A Russian rocket blasted off Tuesday with a French sun satellite and a Swedish experiment to demonstrate orbital formation flying.

A European comet-chasing spacecraft will zip by a large asteroid next month, snapping pictures all the way and potentially unlocking some of the mysteries surrounding the space rock.

Baby solar systems in the making have been observed in unprecedented detail to help reveal how planets are formed.

The latest Mars robot may be dead, but NASA scientists have plenty to keep them busy as they scout out four potential stomping grounds for an ambitious new rover pegged to be the next red planet explorer.

Interesting articles in our Community forum.

A new video of the recent landing of a Russian Soyuz spacecraft shows the touchdown on the Central Asian steppes of Kazakhstan from a rare ground-based view of the space capsule's jarring touchdown.

Houston may have been the home to NASA's Mission Control and the hub of U.S. human spaceflight program for more than 40 years, but the Texas metropolis has never produced a hometown astronaut. That is, until now.

A new director has stepped up to lead the Carl Sagan Center for Study of Life in the Universe at the SETI Institute, taking the reins from previous long-time director and SETI pioneer, Frank Drake.

Layers of Earth's atmosphere illuminated by sunset; seen by ISS astronauts.

The sun's temper ebbs and flows on what scientists had thought was a pretty predictable cycle, but lately our closest star has been acting up..

The brand new commercial Falcon 9 rocket soared into orbit from Florida on its maiden flight Friday, the first test for a new era of private vehicles that could one day send cargo - and possibly astronauts - into space.

NASA's space shuttle fleet may be retiring but here are 10 new spaceships ready to fill the void.

Is national hero Neil Armstrong being manipulated? SPACEX founder Elon Musk thinks it's a possibility.

The successful liftoff of a new private rocket helps vindicate President Barack Obama's plan to rely on commercial spaceships to carry cargo and possibly astronauts to orbit, the rocket's millionaire owner said.

The Rockot launcher, a modified Russian ballistic missile, lifted off Wednesday. June 2, 2010, with a Japanese satellite.

SPACE.com's launch updates for the first SpaceX Falcon 9 rocket launch on June 4, 2010.