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

A Scientist Claims He’s Solved a Major Time-Travel Paradox He's giving the green light to jumping into the past. By Jackie Appel Published: Jan 14, 2025 8:30 AM EST ...

A physicist believes he may have solved the notorious "grandfather paradox", suggesting that time travel to the past may not be ruled out by this particular branch of physics. First off, what is ...

The grandfather paradox is just one of the thorny logical problems that arise with the concept of time travel. But one physicist says he has resolved them.