A team of British scientists has achieved what they say is the first-ever plasma ignition inside a nuclear fusion rocket engine - a huge step that could one day make trips across the solar system, and ...

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 ...

Plasma flashed inside the exhaust system, held in place by electric and magnetic fields. This scene marked a small but closely watched step in Pulsar Fusion’s bid to build a fusion-powered space tug.

UK space propulsion company Pulsar Fusion has conducted the first test of a prototype exhaust system for a nuclear fusion rocket engine that could dramatically cut transit times for missions to Mars ...