Rebels in Syria say they aim to capture Damascus international airport, as fighting with government forces around the capital intensifies.

Scientists say Nasa's Opportunity rover is trundling over what they believe to be clay-bearing rocks, which should provide fresh insight into Mars' water past.

The US president asks Congress to authorise more than $60bn (£37bn) in disaster-relief funding in the wake of "Superstorm Sandy".

People with depression who do not respond to treatment with drugs can have their symptoms reduced using cognitive behavioural therapy, says a study in the Lancet.

Hundreds of local authorities have been banned from accessing the Driver Vehicle and Licensing Agency database over suspected abuses in the past three years, it emerges.

Deputy Liberal Democrat leader Simon Hughes is to be investigated amid claims he breached parliamentary rules by failing to fully declare a donation.

Thousands of Brazilians pay their final respects to renowned architect Oscar Niemeyer, who died on Wednesday at the age of 104.

A judge will rule later on whether a seven-year-old boy with a brain tumour should receive radiotherapy treatment, which his mother fears could do long-term harm.