Records from Albert Einstein's final years are being published as a book around 20 years after their discovery, as ...

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

What exactly is gravity, and how does it work? From Newton’s early groundbreaking discoveries to Einstein’s revolutionary ...

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

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

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

There's no question that Albert Einstein was one of the greatest minds of his or any generation, but there was one problem he couldn't solve.

So asking, " Where's the center of the universe? " is somewhat like asking, "Where's the center of the balloon's surface?” ...