US President Barack Obama has arrived in Berlin at the start of a visit during which he will address crowds at the city's famous Brandenburg Gate.

US President Barack Obama has arrived in Berlin at the start of a visit during which he will address crowds at the city's famous Brandenburg Gate.

Riot police and demonstrators clash in new protests in Brazil's largest city, Sao Paulo, after President Rousseff praises the protests' aims.

The Cassini probe in orbit around Saturn is going to picture the ringed planet in a special photo that also includes a distant Earth.

The IMF is turning into a university

Australian Adrian Bayley is jailed for the rape and murder of Irish woman Jill Meagher, with a minimum jail term of 35 years.

Australian Adrian Bayley is jailed for the rape and murder of Irish woman Jill Meagher, with a minimum jail term of 35 years.

The Republican-controlled US House of Representatives passes a bill to restrict abortions to the first 20 weeks after conception.

The Republican-controlled US House of Representatives passes a bill to restrict abortions to the first 20 weeks after conception.

Fears for author of 'I'm Queer' blogpost

Older male burying beetles work harder at parental care and mating than younger counterparts, a study suggests.

A hairy crab named after US actor David Hasselhoff hitched a ride on an ocean "super-highway" to colonise deep sea vents in the Atlantic.

An open letter published in the Lancet medical journal calls for hunger-striking Guantanamo Bay detainees to receive independent medical care.

An open letter published in the Lancet medical journal calls for hunger-striking Guantanamo Bay detainees to receive independent medical care.

Is down-at-heel Detroit on the brink of a comeback?

Down-at-heel Detroit shows vital signs of a comeback

Supreme Court judges are to decide whether relatives of British soldiers killed in Iraq can sue the government for damages under human rights law.

The head of the US electronic spying agency tells Congress surveillance programmes leaked to media helped thwart 50 attacks since 2001.

The head of the US electronic spying agency tells Congress surveillance programmes leaked to media helped thwart 50 attacks since 2001.

Ballet dancer David Wall, who became the youngest male principal in the history of the Royal Ballet, dies of cancer, aged 67.