Time travel is deterministic and locally free, a paper says —resolving an age-old paradox. This follows research observing ...

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

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 ...

Time Travel, Block Universe Theory And Entropy. We break down how time and entropy works in Tenet. #Tenet #ChristopherNolan ...

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 ...

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 ...

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,” ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...