Microsoft chief Steve Ballmer to retire within 12 months

Syria crisis: US weighs military options

Ashes 2013: England crawl towards safety against Australia

Fukushima leak is 'much worse than we were led to believe'

German MPs warn of neo-Nazi threat after ethnic Turk deaths

Eurozone growth hits 26-month high, says PMI survey

Pakistan seizes 100 tonnes of bomb-making chemicals

Three teens charged in Australian Christopher Lane's death

Greece privatisation boss Stelios Stavridis dismissed

World Athletics 2013: Usain Bolt in 4x100m relayLIVE

Area 51 'declassified' in U-2 spy plane history

Egypt crisis: Cairo mosque 'cleared' after siege

World Athletics Championships 2013: Day eightLIVE

'Pilots die' in UPS plane crash in Birmingham, Alabama

Eurozone comes out of recession

Egypt declares national emergency

Australia careers on the line, says coach Darren Lehmann

US moves to block merger of American Airlines and US Airways

Horizons: The planes that can pick up trains

Ashes 2013: England collapse as Australia take charge of fourth Test

Barack Obama pledges greater surveillance transparency

US withdraws diplomats from Lahore consulate in Pakistan

Egypt crisis: US-EU call to end 'dangerous stalemate'

Bank links interest rates to unemployment target

New Zealand moves to contain Fonterra fallout

Australia cuts key interest rate to record low

'Havoc' as HSBC prepares to close diplomatic accounts

Ashes 2013: Kevin Pietersen century checks Australia charge

China tallest building, Shanghai Tower, gets final beam

US employment up by 162,000 in July

Moto X 'always listening' phone launched by Google's Motorola

Ice core data supports ancient space impact idea

Diego Costa: Liverpool offer Atletico Madrid £21m for striker

Royal Dutch Shell profits slip lower

Sony earnings boosted by weak yen and smartphone sales