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

Can we journey through time? Sci-fi author Dete Meserve presents a compelling case for our future in the past. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

While the concept of time travel has long captured public imagination, modern physics actually approaches time in a much more subtle manner. Instead o.

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

The quantum world operates by different rules than the classical one we buzz around in, allowing the fantastical to the bizarrely normal. Physicists have described using quantum entanglement to ...

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

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 ...

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 ...

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: ...