Warp drives have long lived in the realm of science fiction, but the underlying physics that inspired them is very real and ...

But once you go back, you might not like what you find.

Time travel has long lived in the realm of science fiction, but a growing body of physics research now argues that journeys into the past might fit inside known laws of nature without tearing ...

This month marks 40 years since Michael J. Fox, as Marty McFly, jumped into a souped-up DeLorean and went back in time, putting his very future existence at risk. (SOUNDBITE OF FILM, "BACK TO THE ...

If you click on links we provide, we may receive compensation. The popular YA author's new novel for adults will hit shelves on Aug. 4 and PEOPLE has an exclusive early excerpt Wendy Mcdougall; ...

Time travel is one of the hallmarks of science fiction, but many time-travel-based movies have plots that leave one with a headache just thinking about them. What if you could travel into the past, ...