Time travel has shifted from pure fantasy to a serious, if highly constrained, topic in modern physics. The equations that ...

We all thought time travel was something out of a sci-fi movie, with DeLoreans, hot tubs, Quantum Realms, wormholes, and quirky inventors. But what if it’s been with us all along? Well, believe it or ...

Young Kirk sitting in his captain's chair on Star Trek (2009) - Paramount The iconic "Star Trek" franchise set the bar for socially-aware science fiction, building a reputation over decades for its ...

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 ...

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, ...

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; ...