Futuristic, 'alien' nuclear fusion rockets developed in total secrecy could revolutionise space travel – if they actually work
'I was amazed': Ancient galaxy discovered by James Webb telescope contains oldest oxygen ever seen by scientists
4 Tiny Earth-Similar Planets Discovered Orbiting the Second-Closest Star System to Us That Future Human Generations Could Visit
Scientists have found evidence of a 'supernova graveyard' on the seabed and possibly on the surface of the moon.