Tue 20 Oct 2009
The US space agency rolls out its Ares 1-X rocket as it tests the design concept of a future astronaut launcher.
Tue 20 Oct 2009
Scientists say they have come up with a quick technique for detecting liquids that could be used as explosives.
Mon 19 Oct 2009
Prospects for a global climate treaty advanced during talks in London between big-emitting countries, the UK says.
Mon 19 Oct 2009
Experts raise concerns about the reliability of the trial of a vaccine which appeared to protect against HIV.
Mon 19 Oct 2009
Centenarians with the bodies of 50-year-olds will be a realistic possibility in the future, say scientists.