Launched in 1977, the Voyager probes embarked on a journey unlike any in human history. Over four decades later, they continue to send data from interstellar space, offering insight into the outer ...

This galaxy's central black hole appears to be a "messy eater" as its interstellar scraps are strewn into space.

Could interplanetary space travel be made possible by harnessing the power of a nuclear bomb? In 1958, that was the question facing nuclear physicist Freeman Dyson and the team behind Project ...

Designed to be a space “tugboat” for interplanetary payloads, the company states that it could chop travel time between planets by more than half. Nuclear power holds a lot of promise for ...

I am now the only survivor of that little group of British Interplanetary Society members ... will be superseded by technologies that will make space travel no more expensive than atmospheric ...