The Manhattan Project culminated in the dropping of atomic weapons on Japan by the U.S. in early August 1945, a move that ended World War II. A national park site in three time zones tells the complex ...

The United States began developing the atom bomb in military effort called the Manhattan Project. The race to create this weapon kicked off after three chemists in Berlin, 1938, split a uranium atom ...

The Manhattan Project occurred between 1942 and 1946. It employed over 129,000 people at its peak and cost a total of $2 billion. The project produced the first working nuclear bombs and ushered in ...