Five weeks after a medical plane crashed in Philadelphia, leaving seven people dead​, the cause is still under investigation.

PHILADELPHIA (WPVI) -- The National Transportation Safety Board has released its preliminary report into the Northeast ...

The National Transportation Safety Board says a cockpit voice recorder was not working on a medical transport plane that ...

Preliminary investigations found the pilot’s black box recorder did not record audio from the Jan. 31 flight and likely hadn’t worked in years.

The National Transportation Safety Board (NTSB) released its preliminary report into the deadly Northeast Philadelphia plane crash. Here's what we know.

Video showed the upper stage of the most powerful rocket ever built spinning out of control in space, a repeat of an unsuccessful test flight in January that led to debris falling over the Caribbean.

Investigators have not yet determined what caused the Learjet 55 to nosedive seconds after takeoff on Jan. 31. The crash ...

The preliminary report on the Philadelphia jet crash found the cockpit voice recorder likely hadn't recorded audio for ...

The cockpit voice recorder in the medical transport jet that slammed into a Philadelphia neighborhood in January had likely ...