Einstein’s theory of relativity has explained the universe for more than a century. But under certain conditions, cracks begin to appear. Physicists have identified a gap Einstein never had the tools ...

Researchers believe they have found the signal of a pulsar, the ancient core of a rapidly spinning star, at the center of the ...

Astronomers have made the first direct observation of a spinning black hole twisting the very fabric of spacetime, a phenomenon known as Lense-Thirring precession. This rare detection, recently ...