For years, the idea that we might be living inside a vast computer program has drifted from philosophy seminars into ...

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.

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, ...

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 ...