It's one of the most important pieces of forensic evidence following a plane crash: The so-called “black box."There are actually two of these remarkably sturdy devices: the cockpit voice ...

It's one of the most important pieces of forensic evidence following a plane crash: The so-called “black box."There are actually two of these remarkably sturdy devices: the cockpit voice recorder and ...

Investigators recovered the recording devices, or black boxes, from both aircraft involved in Wednesday night's midair crash near the Reagan Washington National Airport. A spokesperson for the ...