Few storytelling devices have served Star Trek as reliably-or as imaginatively-as time travel. From its earliest days, the franchise has used temporal paradoxes, alternate histories and causality ...

Time feels like the most familiar thing in the world, yet it hides one of physics’ hardest questions: why do we only remember the past and never the future, and why do broken eggs not leap back into ...

While it is mostly part of the X-Men franchise, Marvel Comics has a lot of time-travel stories spread throughout the company’s history. This all started with Days of Future Past, where the X-Men ...

If time travel is possible, one of the greatest questions is why don’t we see time travelers in the here and now. A new theory explores the idea that time travel creates its own destruction by ...

An important—if not the most important—reason for us to remember the past is to prepare for the future. By reflecting on our past experiences, we gain insights about who we are and learn lessons to ...

We love a good time travel story. Sometimes, we even love a bad time travel story. We love time travel. This sci-fi subgenre is one of its most flexible, as you can approach it from many different ...