Posts by President Trump and Elon Musk roiled the space community, raising the prospect of an earlier-than-planned return for the Starliner crew.

SpaceX is scheduled to bring home two astronauts who have been on the International Space Station since June. Mr. Musk said President Trump had asked for that to occur “as soon as possible.” ...

MOJAVE, California—High-speed airliner developer Boom took a major leap toward the development of its Mach 1.7 Overture ...

She has spent a total of 675 days in space, more than any other American astronaut or woman astronaut in the world.

Today a civil test airliner, Boom Technology’s XB-1, broke the sound barrier for the first time in two decades.

Boom Supersonic's XB-1 made history on Tuesday by becoming the first civil aircraft to break the sound barrier. Before ...

Less than a year from the maiden flight, the first civil supersonic jet made by a private company aims to demonstrate ...

By achieving a top speed of Mach 1.1, Boom Supersonic has broken records and is on course to revive supersonic passenger ...

Located at the agency’s Neil Armstrong Test Facility in Sandusky, Ohio, NASA’s Electric Aircraft Testbed (NEAT) is available ...

Mr Scholl reckons a Symphony prototype will be available for ground testing by the end of the year, and a version with all ...

Boom's Supersonic XB-1 jet became the “world’s first independently developed supersonic jet” to break the sound barrier ...