While nearly 43 years old, the Learjet that crashed in a fiery, rush-hour explosion Friday night in Northeast Philadelphia is ...

Six people on board a medical transport jet that crashed in Philadelphia were killed. That is according to Mexican President ...

Six people on board a medical transport jet that crashed in Philadelphia were killed, according to Mexico's president. All ...

A twin-engine medevac jet crashed in a neighborhood in northeast Philadelphia Friday night, causing a fiery explosion, ...

A medical jet with six people on board — including a pediatric patient — crashed Friday evening near the Roosevelt Mall in ...

The crash site is in a densely populated section of the city, surrounded by homes, businesses, and heavy traffic.

An aircraft developed by Boom Supersonic has become the first independently funded jet to break the sound barrier.

Investigators are trying to determine why a U.S. Army helicopter and an American Airlines passenger jet collided in the air ...

Boom is convinced it can overcome the barriers that grounded the Concorde and make supersonic travel affordable and greener.

The test flight of the XB-1 aircraft is a step in manufacturer Boom Supersonic's goals of building a supersonic passenger jet ...