Explore the science and mystery of time travel — from Einstein’s relativity and paradoxes to wormholes and real-life claims.

Some time travel movies totally miss the mark and create plot holes, while others get the science absolutely right.

Here are twelve theories that, while sounding like they’re straight out of a sci-fi novel, are actually supported by real ...

Our curiosity about time travel is thousands of years old. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Time travel makes regular appearances ...

There’s a lot of discussion about “time” in the world of quantum physics. At the micro level, where waves and particles can behave the same, time tends to be much more malleable than it is in our ...

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 ...

Look, we’re not totally ignorant about time. We know that the dimension of time is woven together with the three dimensions of space, creating a four-dimensional fabric for the Universe. We know that ...

In the movies, time travelers typically step inside a machine and—poof—disappear. They then reappear instantaneously among cowboys, knights or dinosaurs. What these films show is basically time ...

Peter Watson received funding from NSERC. He is affiliated with Carleton University and a member of the Canadian Association of Physicists. Carleton University provides funding as a member of The ...

Moskowitz: We’re going to have a little friendly debate. Billings: Really? I came for a throwdown. Moskowitz: Well, a wrangle. A parley. A confab. Lee, what do you have against time travel? Billings: ...