Researchers have discovered that it’s possible to speed up, slow down, or reverse the flow of time in a quantum system. This isn’t exactly time travel, but is instead implementing or reverting to ...

The dream of time travel has fueled stories, films, and scientific debates for generations. The idea that you could step into ...

But is time travel really possible in our universe or is it just science fiction? Our modern understanding of time and causality comes from general relativity.

Scientists are trying to figure out if time travel is even theoretically possible. If it is, it looks like it would take a whole lot more knowledge and resources than humans have now to do it.

Science says time travel is possible, but probably not in the way you're thinking.

The past is the final frontier. Traveling back in time isn’t necessarily science fiction, according to a new paper published in Classical and Quantum Gravity. The paper’s title, “Traversable … ...

Looper ‘s time travel, in short, is a futuristic version of the East River. Though gunning down folks from the future is profitable, it comes at steep personal cost.

Bestselling science fiction author Blake Crouch, who has written extensively about time travel, said the new study seems to support what certain time travel tropes have posited all along.

A scientist who consulted on "Avengers: Endgame" speaks about the elements of the movie's time-travel plot line that are supported by science.