Astronauts step out to replace antenna

Astronauts from the shuttle Atlantis completed Thursday the first space walk of their mission, replacing a…

First space walk for Atlantis astronauts

Astronauts from the shuttle Atlantis began Thursday the first space walk of their mission to store…

Shuttle Atlantis docks with space station

The space shuttle Atlantis successfully docked Wednesday with the International Space Station and the hatch separating…

NASA, Microsoft take Web surfers to Mars

NASA and Microsoft launched an interactive website that allows Web surfers to become Mars explorers.

NASA ready to work with China to explore space

NASA is ready to cooperate with China in space exploration, the head of the US agency…

U.S. shuttle Atlantis lifts off on mission to space station

The U.S. space shuttle Atlantis blasted off from Florida Monday carrying six astronauts on a mission…

Space shuttle Atlantis set for launch

The space shuttle Atlantis and its six astronauts lift off Monday on a mission to bring…

NASA finds frozen water on the moon

Preliminary data from a spacecraft that NASA deliberately crashed onto the moon shows water in a…

Vatican searches for extra-terrestrial life

Is there life on other planets? The Vatican has asked that age-old question over the past…

New solar-sail mission planned after 2005 failure

Backers of a failed mission to launch the world's first solar-sail spacecraft unveiled plans on Monday…