For nearly a decade, the X-15 - the fastest flying manned aircraft ever made - completed 199 missions at record breaking ...

"Right now, we're just asking for prayers," Mayor Cherelle Parker said. She urged residents to stay away from the scene.

The X-15 hypersonic research program was a joint venture between Nasa and the US Air Force - and it led to the creation of ...

A Learjet 55 carrying a young girl who had just undergone life-saving treatment crashed on Friday night in Philadelphia, ...

On its 12th test flight, the Boom XB-1 prototype broke the sound barrier three times and achieved a top speed of Mach 1.1.

The plane had been on a medical transportation mission to Mexico, carrying a child patient, her mother and four crew members.

Video on X showed the impact of the plane exploding in a fiery crash in what looked like ... Vincent streets near the crash ...

More than two weeks after a helicopter and airplane collision over Washington killed 67 people, investigators have completed ...

All six people on board the plane are dead and one person on the ground ... Jefferson Health told Action News that they provided care for 15 individuals, and 12 have since been discharged.

A medical transport jet transporting a child, her mother and four others crashed into a Philadelphia neighborhood shortly after takeoff.

PHILADELPHIA — A person in a car was the seventh fatal victim of the fiery crash of an air ambulance onto a busy Philadelphia ...