Here’s what you’ll learn when you read this story: 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 ...

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.

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 ...