Albert Einstein is known around the world for changing how we understand space and time. But not many people know that he was ...

Einstein's Big Idea homepage. 13 April 1901. Professor Wilhelm Ostwald University of Leipzig Leipzig, Germany Esteemed Herr Professor! Please forgive a father who is so bold as to turn to you ...

A new study of Einstein explores his search for spiritual meaning. In “I Am a Part of Infinity,” Kieran Fox celebrates Einstein’s attempt to address the emptiness of a disenchanted world.

Buried in Albert Einstein’s mail one spring day in 1953 lay a letter from an ordinary mortal, a 20-year-old high school dropout named John Moffat. Two more disparate correspondents would be hard to ...