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 ...

Federal investigators have recovered the black boxes from the recent plane crash in the Potomac River, crucial for reconstructing the events leading up to the crash. These devices, which are ...

WASHINGTON -- 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 ...