British startup Pulsar Fusion has unveiled Sunbird, a space rocket concept designed to meet spacecraft in orbit, attach to ...

There is, however, a nuclear reactor that is in Earth orbit. The U.S.’ first and only known space nuclear reactor, the SNAP-10A was the result of the government-sponsored System for Nuclear ...

The micro-reactors are designed to be an energy source on the moon ... The success of those could enable “more efficient propulsion” into space, which in turn would significantly reduce the time of ...