The grandfather paradox is a potential logical problem in which a time traveler could go back in time and erase their own existence. Closed timelike curves, or paths through spacetime that lead to the ...

Time travel has long been dismissed as impossible due in part to the infamous "grandfather paradox." This conundrum asks what ...

Time travel might seem like nothing more than science fiction, but scientists actually say that isn't the case at all. Time travel could actually be possible with wormholes and other mechanics.

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. When you purchase through links on our site, ...