The US Government has sued a former NASA astronaut to recover a camera used to explore the moon's surface during the 1971 Apollo 14 mission after seeing it up for sale at a New York auction.

Nasa's probe Messenger has revealed new pictures of Mercury.

Rare sun blast means space radiation is heading for Earth.

The space shuttle Endeavour touched down at its Florida home base early yesterday, capping a 16-day mission to deliver a science experiment to the International Space Station on Nasa's penultimate shuttle flight.

The space shuttle Endeavour and its crew of six landed at Kennedy Space Centre in Cape Canaveral, Florida, early today.

The space shuttle Endeavour and its crew of six left the International Space Station and headed home to end Nasa's next-to-last shuttle flight on Sunday, pausing just long enough to perform a victory lap and test equipment for a future interplanetary ship.

NASA completed its part in the construction of the International Space Station yesterday, with the final spacewalkers in the 30-year shuttle program attaching an extension boom.

Endeavour astronauts fix the $2 billion cosmic ray detector to the International Space Station.

Endeavour and its six astronauts showed up at the International Space Station today with the most expensive payload ever carried by a shuttle, a $2 billion magnetic device scientists hope will unravel the mysteries of the cosmos.

Loud, proud, and to the applause of vast crowds who had gathered to cheer her into orbit, the space shuttle Endeavour has successfully blasted into the skies above Florida at the start of what will be her final mission.

Nasa will attempt to launch space shuttle Endeavour for a second time on Monday. It will be the ships final voyage.

The space shuttle Endeavour's final launch has been delayed until at least the end of the week because technicians need to replace a crucial component, Nasa said yesterday.

Nasa abruptly called off space shuttle Endeavour's final launch yesterday because of a problem in a power unit.