General relativity is an astonishingly beautiful theory, and grappling with why it disagrees with quantum mechanics is a joy, ...

"The singularity is the most mysterious and problematic part of a black hole. It's where our concepts of space and time ...

In the realm of general relativity, black holes are well-known for their ability to trap light and matter by bending ...

Einstein believed that black holes didn't really exist. But they do: that much we know. We don't know much else about them.

A team of researchers has engineered a groundbreaking optical device that mimics the physics of black holes and their ...

Supermazes” are theoretical structures that provide a fresh blueprint for understanding the microscopic complexity of black ...

Researchers say they may have achieved Einstein's vision of a "unified field theory" that can unite two of nature's ...

During the latter part of the 20th century, string theory was put forward as a unifying theory of physics foundations. String ...

Ten years later, Einstein extended these insights with his general theory of relativity, providing the most refined description of gravity, the force governing the likes of stars and galaxies.

Earlier studies provided a rough picture of black holes, like a low-resolution image with 1,000 pixels. In contrast, ...

In the realm of general relativity, black holes are well-known for their ability to trap light and matter by bending ...