Time travel is still very much science fiction, at least to us laymens.. But in the world of physics that’s not the case.

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

Have you ever made a mistake that you wish you could undo? Correcting past mistakes is one of the reasons we find the concept of time travel so fascinating. As often portrayed in science fiction, with ...

Brock University provides funding as a member of The Conversation CA-FR. Brock University provides funding as a member of The Conversation CA. Our modern understanding of time and causality comes from ...

The idea of the tachyon particle first gained traction in the early 1900s, when Albert Einstein theorized that a particle that could travel faster than the speed of light could exist. The term wasn't ...

If traveling into the past is possible, one way to do it might be sending people through tunnels in space. by raggio5 via Pixabay Have you ever dreamed of traveling through time, like characters do in ...

So can you slam protons together so hard that the collision creates a particle that can travel forward and backward in time? From Vanderbilt: “One of the major goals of the collider is to find the ...