A physicist believes he may have solved the notorious "grandfather paradox", suggesting that time travel to the past may not be ruled out by this particular branch of physics. First off ...

This is a paradox, an inconsistency that often leads people to think that time travel cannot occur in our universe. [L]ogically it's hard to accept because that would affect our freedom to make ...

Whether it's preventing your own conception or handing the blueprints to a time machine to a younger version of yourself, generating a paradoxical sequence of events is a big no-no that cancels out ...

Einstein’s general relativity predicts the existence of closed timelike curves—space-time loops allowing theoretical travel back to past events. In a rotating universe, space-time could warp ...

As Leitch points out, there is another way to get around any time travel paradoxes in this particular film. “What’s great about Deadpool is you can always just break the fourth wall and you ...

Paradox! is a brand new puzzle platformer inspired by the '90s era of cartoons, with a free demo coming out later this month ...