A new solution to Albert Einstein's theory of general relativity suggests hypothetical gravitational stars that look like black holes could be nested within one another. When you purchase through ...

New impressions A visualization of a curved space–time “sea” from the general-relativity simulations carried out by the authors.(Courtesy: James Mertens) From the Genesis story in the Old Testament to ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration shows a gravastar stacked like a cosmic matryoshka doll. A newly developed solution to the equations at the heart ...

The Einstein equations remain the cornerstone of general relativity, underpinning our understanding of how matter and energy influence spacetime curvature. Recent investigations have not only ...

This article was originally published on The Conversation. Read the original article. A renewed suggestion that dark energy may not be real—dispensing with 70 percent of the stuff in the universe—has ...

It stands among the most famous theories ever created, but the general theory of relativity did not spring into being with a single, astonishing paper like the special theory of relativity in 1905.

“Thus, the general theory of relativity as a logical edifice has finally been completed”—Albert Einstein, November 25, 1915 These words were spoken by Albert Einstein one hundred years ago, concluding ...