Time travel is deterministic and locally free, a paper says —resolving an age-old paradox. This follows research observing ...

A common theme in science-fiction media, time travel is captivating. It’s defined by the late philosopher David Lewis in his essay “The Paradoxes of Time Travel” as “[involving] a ...

Time travel has long been a source of fascination, blending science, philosophy, and fiction into a compelling mystery. From ancient myths to modern physics, the idea of moving through time ...

For nearly 100 years, the famous grandfather paradox of time travel has fascinated both sci-fi fans and scientists. Has anyone ever come up with a solution for it?

As always, the Grandfather Paradox, in which a time traveler kills his or her grandfather before he fathered the traveler’s parent, gets the most attention here. Various workarounds have been ...

The concept of faster-than-light (FTL) travel has fascinated scientists, science fiction fans, and dreamers alike for decades. The idea of traveling faster than the speed of light would open up ...

In a peer-reviewed journal article, University of Queensland physicists say time is essentially self-healing. Changes in the past wouldn't necessarily cause a universe-ending paradox. Phew.

Time Travel Simulation Resolves “Grandfather Paradox” What would happen to you if you went back in time and killed your grandfather?

A common theme in science fiction media, time travel is captivating. It’s defined by the late philosopher David Lewis in his essay “The Paradoxes of Time Travel” as “[involving] a ...

The grandfather paradox is an example of a problem arising from the effect of time travel on causality. Here's how it works (or doesn't).