The idea was first hypothesized about 70 years ago. In a bizarre repercussion of Albert Einstein's Special Theory of ...

Black hole and Big Bang singularities break our best theory of gravity. A trilogy of theorems hints that physicists must go ...

Credit: koto_feja via Getty Images Physicists have developed a novel approach ... and wave-particle duality — gravity remains the outlier. General relativity, Einstein's theory of gravity, is a purely ...

It's a regrettable reality that there is never time to cover all the interesting scientific stories we come across each month ...

This is the central consequence of Albert Einstein's special theory of relativity ... "If you wanted to take a picture of the rocket as it flew past, you would have to take into account that ...

In 1987, an enormous blue arc, thought to be hundreds of trillions of miles long, was first considered one of the largest ...

They found that the Lorentz contraction—a key part of Einstein’s theory of special relativity—doesn ... and Penrose realized that taking a picture of a fast object wouldn’t show it ...

The Terrell-Penrose effect, predicted in 1959, suggests that objects moving at speeds close to that of light appear rotated.

A new way of explaining gravity could bring us a step closer to resolving the heretofore irresolvable differences it has with quantum mechanics.

Scientists observe rare light bursts from the Milky Way’s black hole, Sagittarius A, offering new insights into black holes ...