As convention fever fades, race for US presidency begins

Bacterial colonies in the lungs of cystic fibrosis patients use chemicals found in snake venom to attack them, research shows.

An incredibly rare frog is filmed for what is thought to be the first time, writes BBC reporter Rebecca Morelle.

Scientists investigate how our memories of Beatles songs help us tap into the long forgotten events in our lives.

The former UK chief scientist says the climate challenge is so great, it demands the most brilliant minds tackle it.

The former UK chief scientist says the climate challenge is so great, it demands the most brilliant minds tackle it.

Can market forces save the Amazon rainforest?

Indian farmers blocking work at a Tata Motors plant suspend their protests after the government agrees to return land.

Germany's Social Democrats (SPD) choose Frank-Walter Steinmeier to run against Chancellor Angela Merkel in next year's federal election.

Destructive Hurricane Ike roars across Caribbean

McLaren will appeal against the penalty that stripped Lewis Hamilton of victory in the Belgian Grand Prix.

China will launch its third manned space mission in late September, state-run news agency Xinhua reports.

Israeli police reportedly recommend to prosecutors that PM Ehud Olmert be indicted in a corruption investigation.

The US government announces plans for the takeover of failing mortgage giants Freddie Mac and Fannie Mae.

Zimbabwe opposition leader Morgan Tsvangirai challenges President Mugabe to hold new polls if he will not share power.

Massive flood rescue operation in eastern India

McLaren's Lewis Hamilton takes a dramatic victory in the Belgian Grand Prix as long-time leader Kimi Raikkonen crashes out.

Britney Spears will join Russell Brand to kick off the MTV Video Music Awards show in Los Angeles later.

Canadian Prime Minister Stephen Harper calls an early election in a bid to strengthen his minority government.

Lewis Hamilton starts from pole at Spa-Francorchamps as he bids to extend his championship lead.