Demi Moore announces "with great sadness" the end of her six-year marriage to Ashton Kutcher, who says he will "forever cherish" their time together.

The US is to send Secretary of State Hillary Clinton to Burma next month, in an historic move following years of isolation of the repressive Asian state.

Occupy London Stock Exchange protesters say they have taken over an empty UBS bank office block in east London.

A refined version of the experiment that showed neutrinos could travel faster than light is repeated - and comes to the same conclusion.

A team of US-based engineers unveil a metallic micro-lattice which they claim is lighter than aerogels and strong for its size.

Tens of thousands of Egyptians rally in the centre of Cairo to protest against constitutional changes proposed by Egypt's military rulers.

Germany, France and the UK table a UN resolution calling for an end to human rights violations in Syria, and receive the backing of four Arab states.

Three people died and 50 were injured when a fire ripped through a nursing home in Sydney, Australian officials say.