Popular media shows time travel with a DeLorean time machine, but in reality it would look a bit different. Here's the science behind it to know. $3,500 iPhone possible?

And it’s because of these well-tested theories that we believe time travel is possible. One option for would be a wormhole, also known as an Einstein-Rosen bridge.

Relativity means it is possible to travel into the future. We don't even need a time machine, exactly. We need to either travel at speeds close to the speed of light, or spend time in an intense ...

Time travel is possible based on the laws of physics, according to researchers. But time-travelers wouldn't be able to alter the past in a measurable way, they say.

Will it ever be possible for time travel to occur? – Alana C., age 12, Queens, New York. Have you ever dreamed of traveling through time, like characters do in science fiction movies?

Time Travel Is Possible Through Wormholes—but You Can Only Ever Go Backward. Published Nov 17, 2017 at 12:41 PM EST Updated Nov 17, 2017 at 1:47 PM EST.

After working on time travel paradoxes for the last three years, I have become increasingly convinced that time travel could be possible, but only if our universe can allow multiple histories to ...

Scientifically speaking, for time travel to exist, so must parallel timelines. This theory addresses the paradoxes that arise when studying the possibility of time travel.

In the movies, time travelers typically step inside a machine and—poof—disappear. They then reappear instantaneously among cowboys, knights or dinosaurs. What these films show is basically ...

If time travel were possible into the past, so the thinking goes, then a person could go back in time and kill their own grandparents, thus making it impossible for them to be born and impossible ...