Learn how researchers used Einstein’s theory of general relativity to create the most accurate simulations to date.

Scientists hunted dark matter and solar neutrinos with one of the largest experiments yet. While the neutrinos likely ...

The idea that we might be living in a simulated reality has worried us for centuries. Now physicists have found some ...

In 1919, a total solar eclipse offered the only chance to test Albert Einstein's radical new theory of gravity, General ...

Confirmed by an eclipse, Einstein's theory of gravity revealed a spectacular tool: gravitational lensing. This video explains how massive galaxies warp spacetime to act as natural cosmic telescopes, ...

A Rutgers astrophysicist is helping to solve a cosmic puzzle that has astronomers scratching their heads. The mystery centers ...

Before Einstein, before Bohr, there was a Jesuit priest with a telescope and a startlingly modern vision of the universe.

FROSTI is a new adaptive optics system that precisely corrects distortions in LIGO’s mirrors caused by extreme laser power.

Ask someone on Earth for the time and they can give you an exact answer, thanks to our planet's intricate timekeeping system, ...

For close to a century, scientists have been trying to marry Albert Einstein’s General Theory of Relativity and quantum ...

BEIJING -- In the course of almost two years after China's astronomical satellite named Einstein Probe was launched, it has ...