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

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

A small plane carrying a child patient crashed into Northeast Philadelphia Friday evening, sparking an explosion that set ...

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

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.

A sleek white aircraft has become the first independently developed jet to break the sound barrier. The XB-1 aircraft ...

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.