In 1998, a gentleman by the name of John Titor arrived from the future, or so he said. In his timeline, as he claimed, ...

LITTLE ROCK — Imagine that you’re a science-fiction writer on a tight schedule. You’d like to play in the vast expanses of the universe, but you have too much scientific integrity to conjure up a warp ...

One of the most famous paradoxes ever, the grandfather paradox, cautions against making changes that could break the timeline if you were to ever travel back in time. But, according to one scientist, ...

In the moments before the Big Bang, our universe was a hot, dense, and extremely high-energy place. That all changed when the universe exploded 13.8 billion years ago. Rapid inflation divided a single ...

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 ...

TNG episode proved how clever time travel can be by building suspense and presenting a puzzle that sci-fi fans still talk about today.

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, ...