On July 1, 1946, by the Bikini calendar (June 30 in New York), millions of people around the world waited anxiously by their radios for the results of the first postwar tests of the atomic bomb. The ...

Add Yahoo as a preferred source to see more of our stories on Google. Einstein considered his famous message to Roosevelt his life's 'one great mistake.' “Certain aspects of the situation which has ...

Einstein’s genius enabled the atomic age, but his conscience rejected its darkest creation. This piece uncovers why he ...

Einstein later regretted the letter for its ultimate role in helping to develop the atomic bomb. The letter belonged to late Microsoft co-founder Paul Allen. The new owner's identity is unknown. In ...

Einstein's 1939 letter to Roosevelt, warning of atomic weapons, sold at auction for $3.9 million. Einstein later regretted the letter for its ultimate role in helping to develop the atomic bomb. The ...