The Sunbird concept is for the fusion-powered ‘tugs’ to be permanently based in space, able to dock with spacecraft and ...

Artist impression of a nuclear fission powered rocket. Credit: General Atomics A new test of nuclear propellant fuel under space-like conditions has been hailed as a success by NASA and General ...

UK startup Pulsar Fusion today unveiled “Sunbird,” a nuclear fusion-powered rocket concept that ... spacecraft and a second-stage hybrid rocket engine. “Pulsar has built a reputation in ...

offering the potential to power spacecraft at unprecedented speeds. Pulsar Fusion's ambitious goal is to construct the largest and most practical nuclear fusion rocket engine to date. Their 8 ...