The grandfather paradox is just one of the thorny logical problems that arise with the concept of time travel. But one ...

In moments of emergency, super-concentration, or meditation, people report moments of “time expansion experiences,” or ...

Set to redefine the future of hypergravity research, the Centrifugal Hypergravity and Interdisciplinary Experiment Facility ...

Recent studies suggest quantum mechanics supports cosmic censorship, reinforcing black holes' role in hiding singularities.

Space travel has always hit a wall with slow speeds and massive fuel needs. Gravitic propulsion systems offer a game-c ...

Einstein's theory of general relativity describes the inevitability of singularities, which are obscured by black holes ...

The reference frames from which observers view quantum events can themselves have multiple possible locations at once—an ...

Thanks to the Kelly brothers, the 'Twins Study' was carried out by NASA and it involved them examining the pair - who as it ...