Vanderbilt University physicist Lorenzo Gavassino isn't so sure this is as big an obstacle as time-traveler pessimists have ...

The infamous "grandfather paradox" was a logical fallacy ... With a combination of general relativity, quantum mechanics, and thermodynamics, the study suggested that time travel might be possible ...

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, ...

For over a century, the Maxwell’s Demon paradox has haunted physics. This thought experiment suggests that a tiny, ...

A team of physicists affiliated with multiple institutions in China has measured a pulse of light in 37 dimensions. In their ...

The Grandfather Paradox, a time-travel dilemma, is reexamined through quantum mechanics. 'Hubble’s biggest shock': A rare 9-ring galaxy changes what we know about collisions 'Black Holes create ...

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.

The 'grandfather paradox' is a self-contradictory situation; traveling back in time and killing your grandfather as a child would prevent your birth. Which means you now don't exist, so how can you go ...