Malaysia Airlines Flight 370: Australian official is "optimistic" the wreckage of the Malaysia Airlines Flight 370 will soon be found. A data analysis of the signals heard Saturday determined they were coming from a plane's flight data recorder.
Malaysia Airlines Flight 370: The hunt continued Tuesday with no new signals detected since Sunday. The black box batteries on Malaysia Airlines Flight 370 are designed to last 30 days, but could be damaged - or could last for weeks more.
Malaysia Airlines Flight 370: Search efforts have turned up no physical evidence of the missing Malaysia Airlines flight. But Australia's prime minister says there's no time limit yet on the hunt, now involving 20 ships and aircraft.
The US Navy is deploying advanced deep-sea search technology, including anti-submarine aircraft, floating black box locators, and a robot submarine, to look for the missing Malaysia Airlines Flight MH370.