Einstein's theory of general relativity views time similarly to width, height, and length. As such, both time and space can be curved by gravity. This effectively means that time is slower the closer ...

The question of how gravity interacts with the quantum world has long perplexed physicists, but a non-quantum theory of space ...

Everything around us, from atoms and molecules to planets and galaxies, is governed by two extraordinarily successful ...

The original version of this story appeared in Quanta Magazine. At the beginning of time and the center of every black hole lies a point of infinite density called a singularity. To explore these ...

For over a century, scientists have thought of time as a fundamental property of the universe. But the more researchers seek ...

Whether space-time exists should neither be controversial nor even conceptually challenging, given the definitions of “space-time,” “events” and “instants.” The idea that space-time exists is no more ...