Galactic lenses like this one, which is the closest astronomers have ever found, were predicted by Albert Einstein in 1936 from his theory of general relativity. At the time, he thought such an ...

“The scientist was accompanied by Mrs. Einstein,” wrote the Chicago Tribune, “who seemed to be spending most of her time seeing that her husband got into his overcoat and getting him to pose ...

Albert Einstein had described the special theory of relativity in 1905. The result of Einstein's thinking about light, this theory introduced brand-new ideas to science. It opened up an entire ...