A U.K. space tech company has revealed a secret project that could change how humans travel between planets. After ten years of quiet research, Pulsar Fusion has unveiled a nuclear fusion-powered ...

Interplanetary travel might be about to get a whole lot faster — and hotter. UK startup Pulsar Fusion today unveiled “Sunbird,” a nuclear fusion-powered rocket concept that could halve the time it ...

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.

Pulsar Fusion, a UK-based company specializing in advanced propulsion technologies, last month unveiled "Sunbird," a nuclear fusion-based rocket concept. The Sunbird aims to revolutionize space travel ...