The mysterious force called Dark Energy, which drives the expansion of the Universe, might be changing in a way that ...

Cosmic speed limits can be a major inconvenience but they've rarely stopped science fiction in its tracks.

Dark energy, the mysterious force thought to be driving the ever-faster expansion of the universe, appears to be changing ...

If gravity arises from entropy, scientists could unite Einstein's general relativity with the quantum realm while shedding ...

Credit: VICTOR de SCHWANBERG/SCIENCE PHOTO LIBRARY via Getty Images A team of theoretical physicists has proposed a new way ...

Scientists investigate gravitational wave memory theory by Einstein, searching for traces in the cosmic microwave background.

A blackboard at a U.K. university is believed to be the only one of its kind that has both Albert Einstein's scientific notations and his signature.

Einstein's theory of general relativity predicts gravitational memory, where space-time retains imprints from passing ...

A new theory suggests that gravity could possibly be the result of entropy. If true, this would mean that everything in the ...

Black hole singularities should not exist, according to theories of quantum mechanics. New tweaks to Einstein's equations of ...

In a study published March 11 in the scientific journal Physical Review Letters, two researchers applied quantum mechanics to ...

Credit: VICTOR de SCHWANBERG/SCIENCE PHOTO LIBRARY via Getty Images A team of theoretical physicists has proposed a new way to test one of the most intriguing predictions of Einstein's theory of ...