Even if it turns out that time loops never take shape, studying them provides key insights into the deepest rules of reality.

Time travel has shifted from pure fantasy to a serious, if highly constrained, topic in modern physics. The equations that ...

Is time travel possible? According to physicists, yes. Time travel to the future is not only possible, it's been scientifically proven. But what about traveling to the past? Well, that's a little ...

If time travel is possible, one of the greatest questions is why don’t we see time travelers in the here and now. A new theory explores the idea that time travel creates its own destruction by ...