Space propulsion company Pulsar Fusion has achieved “first plasma” in its Sunbird nuclear fusion rocket, designed to propel rockets faster than any object has ever traveled. Reading time 2 minutes ...

The big picture: In deep-space travel, the race is no longer about who has the biggest rocket – it's about who can build the smartest plasma engine. As the competition to reach Mars intensifies, ...

Space startup Astrobotic put its rotating detonation rocket engine (RDRE) to the test for the first time, demonstrating a potentially groundbreaking technology that generates thrust by supersonic ...

Pittsburgh-based Astrobotic has completed a successful series of hot-fire tests of its rotating detonation rocket engine prototype Chakram, marking a key milestone toward bringing the experimental ...