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

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

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Time travel has long been a topic of science fiction, filled with thrilling possibilities and mind-bending problems. The most famous of these problems is the "grandfather paradox". If someone travels ...

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 ...

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, ...

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 ...