Pulsar Fusion, a UK-based rocket startup, says it fired plasma inside its Sunbird nuclear fusion rocket engine during a live demonstration on March 25, 2026, at a conference in California. The company ...

If all had gone according to plan, four astronauts might have been returning just this week from a history-making, 10-day slingshot trip around the moon. Instead, NASA’s engineers have been grappling ...

Malaria parasites contain tiny spinning crystals that have puzzled scientists for years. New research reveals they’re powered by a rocket-like reaction that breaks down hydrogen peroxide, releasing ...