Tourists of time all know one rule: never change the past. Whether it's preventing your own conception or handing the blueprints to a time machine to a younger version of yourself, generating a ...

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

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 ...

Time travel has fascinated humanity for generations, but it's long been dismissed as impossible due to the "grandfather paradox." This thought experiment poses a mind-bending question: what happens if ...

One of the most famous paradoxes ever, the grandfather paradox, cautions against making changes that could break the timeline if you were to ever travel back in time. But, according to one scientist, ...

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, ...