Trump may cancel NASA’s powerful SLS Moon rocket – here’s what that would mean for Elon Musk and the future of space travel

Since Donald Trump’s recent electoral victory, rumours and speculation have circulated that NASA’s giant Moon rocket, the Space Launch System (SLS), could be under threat. The rocket is one of several key elements needed for the US space agency’s Artemis programme,...

Nuclear rockets could travel to Mars in half the time − but designing the reactors that would power them isn’t easy

NASA plans to send crewed missions to Mars over the next decade – but the 140 million-mile (225 million-kilometer) journey to the red planet could take several months to years round trip. This relatively long transit time is a result of the use of traditional chemical...