The four US astronauts who will crew the last ever space shuttle mission arrive in Florida to prepare for their Friday launch to the International Space Station.

The pause in global warming from 1998 to 2008 was mainly caused by a sharp rise in China's coal use, a study suggests.

Gum disease and poor oral health lowers fertility, say experts.

Researchers sequence the genome of the naked mole rat, a key step towards finding the secret of the bizarre animal's longevity.

Britain faces an increase in harsh winters, with up to one-in-seven gripping the nation with prolonged sub-zero temperatures, a study suggests.

The EU bans the import of some Egyptian seeds and beans after fenugreek is linked to killer E. coli outbreaks in Germany and France.

The countdown begins for Friday's sceduled final launch of a US space shuttle, but weather forecasters say there is a 60% chance that stormy weather will result in a delay.