Add Yahoo as a preferred source to see more of our stories on Google. A+E Networks International, History U.S. and Hulu Japan have co-produced a new two-hour documentary marking the 75th anniversary ...

Ernest O. Lawrence, Glenn T. Seaborg, and J. Robert Oppenheimer in early 1946 at the controls to the magnet of the 184-inch cyclotron, which was being converted from its wartime use to its original ...