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CNN's Brian Todd talks to the manufacturers of the all-important Bluefin-21, an autonomous underwater vehicle searching for Malaysia Airlines Flight 370, to figure out why it aborted its mission yesterday.
CNN's Suzanne Malveaux looks at China's role in the search for Flight 370 after some accuse it of standing in the way.
Sources tell Pamela Brown that the cell phone of MH370's co-pilot was on and searching for service after losing contact.
Tech teams are working overtime in an attempt to replicate the pings officials believe belong to MH370's black boxes.
Officials say they're certain the first four pings are from MH370's black boxes as search teams scramble for more clues.
CNN's Brian Todd reports on the high-tech "sonobuoys," a piece of equipment normally used in combat, that picked up the latest underwater signals in the search for MH370.
While U.S. Defense Secretary Chuck Hagel visits Beijing, he talks about the search for MH370 and Russia.
CNN's Joe Johns explains the hefty price tag that comes with the search for Malaysia Airlines Flight 370.
Government sources say the new map showing a different flight path is a "criminal act" and committed by someone on board.
CNN's Brian Todd discusses the scattered 122 objects and the techniques investigators are using to locate them.