They had pictures of the masked man. But they didn't know his identity, his motive or his intent. They didn't know about his cache of weapons. He had been given the nickname "Einstein" in prison ...

Astronomers have identified the closest ever Einstein ring, a rare phenomenon where light from a further-off galaxy is bent by the gravity of a galaxy closer to Earth. The ring was previously ...

A blackboard at a U.K. university is believed to be the only one of its kind that has both Albert Einstein's scientific notations and his signature.

Albert Einstein delivers a lecture at the meeting ... Over the course of 90 minutes, the moon’s full shadow will zip across a 70-mile-wide, 3,000-mile-long path cutting through Idaho, Wyoming ...

Albert Einstein had described the special theory ... His team photographed starfields during the eclipse and compared the photos with those of the same starfield taken when the sun was not present.