Twisting Space-Time into Loops It’s hard to say who ever thought about time travel, but the physical concept of time travel typically traces back to Albert Einstein’s theory of general relativity.

The grandfather paradox is just one of the thorny logical problems that arise with the concept of time travel. But one physicist says he has resolved them.

One of the most famous paradoxes ever, the grandfather paradox, cautions against making changes that could break the timeline if you were to ever travel back in time. But, according to one scientist, ...

While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if ...

No one has yet managed to travel ... possible continues to fascinate scientists. As movies such as The Terminator, Donnie Darko, Back to the Future and many others show, moving around in time ...

What is time? Is time travel possible? For centuries ... We have managed to pull back the cosmic curtains a crack to let in the light. Questions raised by physicists, from Newton to Kurt Gödel ...

Some scientists believe certain sub-atomic particles may travel back in time. But if time travel became possible for humans ... International Space Station, actually run 0.014 seconds slower ...

It took a long time for me to accept the fact that she is gone. So, if I had a time machine, I would travel back in time to before ... anything is possible with the rapid advancement of science ...

we've known that time travel—at least moving forward through time—is possible. Einstein didn't pull this theory, or even the notion that time travel is possible, out of thin air. Rather ...