Ursa Major Technologies has completed the first hot-fire tests of its Hadley H13 liquid rocket engine, a milestone the company says could support reusable hypersonic test vehicles and smaller launch ...

The dramatic explosion of a SpaceX Starship upper stage rocket during a test at the company's Starbase facility on the Texas Gulf coast late Wednesday may have been triggered by the rupture of a ...

To an untrained eye, the aircraft engine sitting outside of a Cincinnati facility in December might have looked like standard hardware. But NASA and GE Aerospace researchers watching the unit fire up ...