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 ...

It is a sealed container, 300mm wide and 450mm tall, designed to create an Earth-like environment in space, except without gravity.

Most of the Expedition 72 crew enjoyed a day off on Tuesday, while two NASA astronauts focused on cutting-edge human research ...

Researchers have unveiled a cosmic cycle where carbon, created in the explosions of stars, travels through space via a ...