From phone boxes and flux capacitors to black holes and hot tubs, sci-fi has created plenty of ways to explore the fourth dimension. When you purchase through links on our site, we may earn an ...

A Pentagon release of new UFO footage has revived the question of whether aliens could realistically travel to Earth.

Add Yahoo as a preferred source to see more of our stories on Google. In 1968, a film arrived unlike anything audiences had seen. Directed by Stanley Kubrick and written with science fiction author ...

NASA's Artemis II mission to slingshot four astronauts around the moon - and subsequently travel the furthest mankind has ever been from the Earth - has inspired a renewed interest in space travel ...