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.

Time Travel James Gleick Pantheon, $26.95 It’s kind of daring to write a science book about something that — you must remind your readers — doesn’t exist. That’s James Gleick’s task in ...

But how can time travel reach beyond the realm of science fiction? Technically, it already has, as astronauts travel a few nanoseconds into the future every time they travel into space.

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.

SUBSCRIBE: Apple | Spotify Clara Moskowitz: We’re here today to talk about time travel. A perennial – dare I say, timeless–topic of science fiction, but is it possible?

Time travel and parallel timelines almost always go hand-in-hand in science fiction, but now we have proof that they must go hand-in-hand in real science as well.

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.

Time travel stories are some of the coolest tales in the universe. But sometimes, when you’re lost in the time-space continuum, things can get pretty crazy. Time-lag, paradox overload, etc. So ...