Blue Origin has experienced a setback as it works to produce high-thrust BE-4 rocket engines. While testing a BE-4 engine late last month, the thruster exploded in dramatic fashion. Blue Origin did ...

Ursa Major last year completed ground tests of the Draper engine at the company’s facilities in Berthoud, Colorado Credit: Ursa Major WASHINGTON — Rocket propulsion startup Ursa Major is accelerating ...

With an avalanche of private space companies upon us, the number of engines meant to carry rockets and their cargo into space has grown rapidly over the past few years. This world is now dominated by ...

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