Have you ever fantasized about going back in time to relive a moment — or change it? Maybe you’re more interested in ...

Recent scientific breakthroughs are making concepts once confined to science fiction, like time travel, seem tantalizingly closer to reality. From the potential of humans living to 1,000 years to the ...

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 ...

Shattered glass does not leap back into your hand. Smoke from a match does not gather itself and crawl back inside. In ...

Predestination doesn’t waste time trying to explain the time travel technology, and it doesn’t need to, because it’s so coherent and straightforward, you naturally see that it makes sense right away.

Science decided to be unfun this morning. Physicists at Hong Kong University of Science and Technology demonstrated that a single photon cannot be accelerated beyond the speed of light. This implies ...

The first rule of time travel is that you can only travel within your own lifetime. The second rule of time travel is that you can only stay for 90 seconds. And “The Third Rule of Time Travel,” ...

During our second Ars Live event earlier this month, screenwriter/producer Ed Solomon (Bill & Ted franchise) joined physicists Sean Carroll (Johns Hopkins University) and Jim Kakalios (University of ...

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 ...

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: ...