Add Yahoo as a preferred source to see more of our stories on Google. The Air Force has started ground testing its first Anduril-made semiautonomous drone wingmen known as collaborative combat ...

Hypersonic start-up Hermeus has completed ground testing of its Quarterhorse Mk 1 vehicle and is preparing to launch a flight test campaign for the subsonic jet. The Atlanta-based firm on 17 December ...

Radian Aerospace’s subscale prototype for its Radian One space plane sits on a runway in the United Arab Emirates. (Radian Aerospace Photo) Seattle-based Radian Aerospace has finished the first round ...

(Bloomberg/Loren Grush) — A newly upgraded version of SpaceX’s Starship rocket suffered an apparent failure during a ground test early Friday in South Texas, according to bystander footage of the ...

SpaceX’s latest test of its upgraded Starship ended in a fireball on the pad, a stark reminder that rapid iteration in rocketry still carries very public risks. The ground test, intended as a routine ...

SEOUL, South Korea: North Korea said Tuesday it had conducted the final ground test of a solid-fuel rocket engine for a long-range ballistic missile in its latest advancement toward having an arsenal ...