Time travel is deterministic and locally free, a paper says —resolving an age-old paradox. This follows research observing ...

Building a warp drive is more than an energy problem; it's a physics puzzle with universe bending consequences. This video ...

Shattered glass does not leap back into your hand. Smoke from a match does not gather itself and crawl back inside. In ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. It speaks to our deepest regrets and desires — the chance to reconnect with someone now gone, to ...

Predestination doesn’t waste time trying to explain the time travel technology, and it doesn’t need to, because it’s so coherent and straightforward, you naturally see that it makes sense right away.

Can we journey through time? Sci-fi author Dete Meserve presents a compelling case for our future in the past. Can we journey through time? From H.G. Wells' "The Time Machine to The Time Traveler's ...