On Albert Einstein's birthday, a look at one of his most recognised photos, ... American photographer Arthur Sasse asked him to smile for the camera and Einstein responded by striking a goofy pose.

Albert Einstein's brain was "unlike those of most people," according to a new study led by Florida State University evolutionary anthropologist Dean Falk. "Although the overall size and ...

Albert Einstein's discoveries changed our concept of gravity by adding revolutionary layers to Isaac Newton's theories. Here's what else Einstein did.