A 20,000-strong team is sent to the Ural region as part of a rescue and clean-up operation after Friday's spectacular meteor strike, which injured more than 1,000 people.

Scientists working on Nasa's Messenger probe to Mercury show off a stunning new colour map of the innermost world of the solar system.

Sainsbury's boss Justin King says firms go to great lengths to ensure "our food is what we expect it to be"

Nasa's Curiosity Mars rover is expected to deliver its first drill sample to the onboard laboratories in the coming days, says mission project scientist John Grotzinger.