Rebels release train with bodies from downed jet
Rebels to give Flight MH17 black boxes to Malaysia
MH370's captain spoke final words to air traffic control, investigators say
More pings raise hopes missing MH370 jetliner will be found soon
'Promising lead' emerges in hunt for Flight MH370
2 new pings sound 'just like' black box beacons
1 month into search, desperate hunt is on for Flight MH370 'black boxes'