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

The exact cause of the Jeju Air crash remains unclear, and the investigation is complicated because the black boxes stopped ...

South Korean authorities said Tuesday they were investigating the role of a concrete barrier at the end of ... calling for a full overhaul of air safety systems. He urged officials to "thoroughly ...

Boom Supersonic XB-1 demonstrator jet broke the sound barrier at Mach 1.122, reaching 35,290 ft in altitude during its ...