A French prosecutor announced Thursday that a Germanwings co-pilot deliberately crashed a jet in the French Alps after locking the pilot out of the cockpit. The prosecutor said there is no indication the crash was related to terrorism. The announcement has sparked questions about mental health evaluations for airline pilots, and why the co-pilot was able to prevent the pilot from gaining access to the cockpit. We have analysis.

Ukrainian separatists have returned the bodies of those who died in the recent plane crash after much negotiation. We have the latest on the situation in Ukraine after a Malaysian Airlines plane was shot down near the Russian border.

Examining 1989's United Airlines Flight 232 Plane Crash

We take a look at a new book that sheds light on one of the most horrific plane crashes, 25 years after the accident.