The universe follows predictable rules, behaving classically according to Einstein’s theory of general relativity. So, what ...

In the late 19th century, classical physics seemed complete. Scientists believed they had uncovered all the laws governing ...

Quantum mechanics has a reputation that precedes it. Virtually everyone who has bumped up against the quantum realm, whether ...

Black holes, these extreme cosmic entities, might well hold the missing clues to solve one of physics' greatest mysteries: ...

At cosmological scales, Albert Einstein’s theory of general relativity has given scientists an immensely accurate blueprint ...

Though conceived as theoretical solutions to Einstein’s field equations used in his theory of general relativity, wormholes ...

The slower growth of gravitational wells and the accelerating expansion might share the same underlying cause.” In so many ...

"This work is a step toward understanding how quantum mechanics and gravity work together, a major unsolved problem in ...

For decades, he hid his time-travel obsession. Now, he is challenging the assumptions that underpin our universe.

General relativity or the general theory of relativity is the geometric theory of gravitation published by Albert Einstein in 1916. It is the current description of gravitation in modern physics.

For over 100 years, two theories have shaped our understanding of the universe: quantum mechanics and Einstein’s general relativity. One explains the tiny world of particles; the other describes ...