A family member of one of the passengers on MH370  writes a message on a balloon during a memorial event   in Kuala Lumpur on Sunday.  March 8th, 2015 marks exactly one year since  Flight MH370 went missing. Photograph:  Anthony Kwan/Getty Images

The battery of an underwater locator beacon had expired more than a year before the Malaysia Airlines flight MH370 vanished last March, the first comp(...)

A handout picture made available by the US Navy on 04 April 2014 shows the Artemis autonomous underwater vehicle (AUV) hoisted back on board of the Australian Defense Vessel (ADV) Ocean Shield after a successful buoyancy testing at sea in the Indian Ocean, 01st April 2014. Photograph: Peter D Blair/US Navy/Reuters

Australian officials leading the search for a missing Malaysia Airlines plane in the southern Indian Ocean are considering when to deploy an un(...)

A Chinese family member of a passenger on board the missing Malaysia Airlines flight screams as she is being dragged from the media conference area at a Kuala Lumpur hotel yesterday.  photograph: Edgar Su/Reuters

Authorities in Sepang said yesterday that they were trying to recover data deleted from a flight simulator custom-built by the pilot of the mis(...)

Peter Chong holds up a photograph of him with missing Malaysia Airlines Flight MH370 captain Zaharie Ahmad Shah during an interview. Photograph: Samsul Said/Reuters

One was only a few years out of flight school and still living at home with his family, but he was getting serious about a girlfriend, another (...)