The curious minds at What If examine overwriting Einstein’s theory of relativity with time travel, imagining paradoxes, ...

No one has yet managed to travel through time – at least to our knowledge – but the question of whether or not such a feat would be theoretically possible continues to fascinate scientists. It's a ...

The dream of time travel has fueled stories, films, and scientific debates for generations. The idea that you could step into a machine and reappear in another era has captivated people for as long as ...

Time travel is one of the most captivating tropes in science fiction, inspiring countless stories of adventures through the ...

Time travel is deterministic and locally free, a paper says—resolving an age-old paradox. This follows research observing that the present is not changed by a time-traveling qubit. It’s still not very ...

Can we journey through time? Sci-fi author Dete Meserve presents a compelling case for our future in the past. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Time travel is a familiar element of science fiction, but rarely has it been put under a microscope quite like it is in Washington filmmaker Stimson Snead’s “Tim Travers & the Time Traveler’s Paradox.

In a peer-reviewed paper, a scientist says he has mathematically proven the physical feasibility of a specific kind of time travel. The paper appears in Classical and Quantum Gravity. Germain Tobar ...