Wormholes have fascinated scientists and science fiction fans alike, but how do they really work? From Einstein’s field ...

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

The mind-bending concept of time dilation results from a seemingly harmless assumption—that the speed of light is the same for all observers.

A test using atomic clocks will watch superpositions ride Earth’s curved space-time and see if Einstein can play nice with ...

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

A new method to analyze gravitational-wave data could transform how we study some of the universe's most extreme events—black ...

The physical nature of light is an intriguing scientific mystery as it behaves like a wave in free space and as a particle ...

For decades, physicists have faced one of science’s greatest puzzles: merging quantum mechanics, which describes tiny ...

A still image from a numerical simulation of a black-hole binary merger. Credit: LIGO - N. Fischer, H. Pfeiffer, A. Buonanno ...

Scientists develop a more accurate way to analyse gravitational waves, that could give us a clearer picture of the Universe’s most extreme collisions, led by the University of Portsmouth, England.