Einstein predicted the existence of gravitationally-warped rings of light in 1915. Now, a new one has been discovered just a ...

Traditional black holes, as predicted by Albert Einstein's theory of General Relativity, contain what are known as ...

Albert Einstein himself thought that the eponymous Einstein ring would be impossible to observe, but the Euclid telescope has ...

A rare ring of light surrounding a galaxy nearly 590 million light-years away from Earth has been discovered by a space ...