Researchers are validating the aircraft's performance before propelling it to supersonic speeds.

The Air Force Research Laboratory and Kratos Defense & Security Solutions Inc. completed the successful fourth flight of the XQ-58A Valkyrie demonstrator, a long-range, high subsonic unmanned air ...

NASA's X-59 supersonic jet hits 627 mph in latest test, potentially ending the 50-year ban on civilian supersonic flights ...

The space agency released a video of its experimental aircraft performing a series of maneuvers as it soared over ...

Add Yahoo as a preferred source to see more of our stories on Google. A large black and silver rocket stands on a seaside launch pad near sand dunes and an estuary. SpaceX will put its Starship ...

A damaged flap and multiple lost tiles weren’t enough to stop SpaceX’s Starship—the largest and most powerful rocket ever constructed—from making its first successful splashdown on Thursday. Starship ...

Boom Supersonic's XB-1 aircraft set a new speed record during its latest test flight. The Colorado company is working through a flight test program of the XB-1 supersonic demonstrator aircraft, which ...

Boom Supersonic’s successful second test flight of its XB-1 demonstrator on 26 August positions the company to accelerate the pace of the flight-test programme, with a third flight potentially coming ...

SpaceX's sixth Starship test flight successfully demonstrated in-orbit engine reignition of a Raptor engine, a crucial capability for NASA's Artemis III lunar landing mission, involving propellant ...

United Aircraft has conducted a second test flight with the Russian-powered Yakovlev Superjet 100, to expand the operating envelope. The twinjet has been fitted with Aviadvigatel PD-8 engines as a ...