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

Time travel has long lived in the realm of fantasy, but a growing body of research is quietly shifting it into a serious ...

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 ...

In the moments before the Big Bang, our universe was a hot, dense, and extremely high-energy place. That all changed when the universe exploded 13.8 billion years ago. Rapid inflation divided a single ...

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 ...

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: ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

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 ...

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 ...