Authorities believe everyone on board a passenger plane and a US Army helicopter that collided in mid-air before crashing ...

Arnold Schwarzenegger is regarded as the ultimate action hero. He's a man who has, pretty much, lived many lives. He's saved ...

Following the 2002 Uberlingen mid-air collision in southern Germany, where all of the passengers and crew aboard both planes were killed, the TCAS system was overhauled with significant changes made.