Endgame" speaks about the elements of the movie's time-travel plot line that are supported by science.

Time travel paradoxes like the grandfather problem and causal loops show how the universe may resist changes or trap actions ...

Ron Mallett, a physicist and professor emeritus at the University of Connecticut, was just 10 years old when he lost his father to a sudden heart attack. This traumatic experience, along with ...

Meanwhile, your entire existence (and the existence of any object) can be plotted on what’s called a world line, a curving path through spacetime starting at your birth and ending at your death. A ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Researchers find that a photon can spend a negative amount of time in an excited atomic state while passing through a cloud of atoms ...

Moskowitz: We’re going to have a little friendly debate. Billings: Really? I came for a throwdown. Moskowitz: Well, a wrangle. A parley. A confab. Lee, what do you have against time travel? Billings: ...

(via Sabine Hossenfelder) While time travel is cool science fiction tech, it seems to directly contradict our current understanding of physics. But what about, instead of moving a whole person back in ...

Can we journey through time? Sci-fi author Dete Meserve presents a compelling case for our future in the past. Can we journey through time? From H.G. Wells' "The Time Machine to The Time Traveler's ...

Faster-than-light travel is impossible according to our current understanding of physics. Wormholes are theoretically possible but require unstable, exotic matter to stabilize. Generation ships are a ...

John Clarke, Michel H. Devoret and John M. Martinis were recognized for work that made behaviors of the subatomic realm ...