Nik Wallenda, the seventh generation of the daredevil Flying Wallendas family, prepares to cross Niagara Falls on a two-inch tightrope.

The UN urges Bangladesh to accept refugees fleeing violence between Buddhists and Muslims in Burma.

Dense wing bones help a tiny South American bird to sing make its unique “wing violin music”, say scientists.

Japan is to restart two nuclear reactors - the first to go back online since plants were shut down after the last year's Fukushima crisis.

Uefa opens disciplinary proceedings against the Croatian Football Federation following racist chanting during the Italy game.

German Chancellor Angela Merkel urges Greek voters to elect a new government that will stick to the country's austerity measures.

Mexico revokes permits to build a controversial mega-resort in Baja California after environmentalists warned it could damage a nearby coral reef.

Seven people are injured after striking coal miners clash with riot police outside a mine in northern Spain, officials say.