The best-selling author of Stiff and Bonk explores the irresistibly strange universe of space travel and life without gravity.

At left, the famous 1976 image from Viking that seems to show a face. On the right, a new image of the same rock surface.

Count Mark Sirangelo, head of Sierra Nevada Corp.'s space division, among the people who'd like to see NASA fund the Orion capsule to go to the moon and pioneer flying astronauts deeper into space.

NASA's aging Spirit Mars rover, stuck in loose soil and forced to endure the harsh Martian winter with reduced solar power, has not phoned home since March 22.

Now here's a present that's really out of this world! Katy Perry bought hubby-to-be Russell Brand a trip to outer space for his 35th birthday, via Richard Branson 's Virgin Galatic space venture.

I always wanted to be an astronaut when I was a kid and go into space. Aliens were typically really hot chicks on Star Trek and you got to wear an awesome helmet so I was sold.

Richard Garriott made lots of money creating the Ultima series of fantasy role-playing games.

The Kennedy Space Center, expected to see its last shuttle launch next year, faces some wrenching changes ahead.

A NASA spending plan approved by a U.S. House committee would delay commercial crew launches at Cape Canaveral and instead funnel money to Russia while American jobs are being lost, the founder of SpaceX said Thursday.

Engineers have conducted a fuel tank check of one of NASA's GRAIL mission spacecraft , scheduled for launch in 2011.