When LIGO detected gravitational waves unleashed from two colliding black holes for the first time in science history, it set off a whole new era in astronomy.

Albert Einstein's theory of general relativity—which explains gravity as the product of the distortion of space and time—may not be universally applicable. This is the conclusion of physicists from ...

Even people who know little about Albert Einstein’s work know he was brilliant — so clever that his name is synonymous with genius. Of course, the mind that gave us the theory of general relativity, ...