The U.S. altered the course of history 80 years ago when it dropped the atomic bomb on Japan. It was an audacious move that ultimately led to the end of World War II. The motivation and secrecy ...

THE FIRST NUCLEAR reactor on earth went critical 2 billion years ago in western Africa when groundwater seeped into a rich vein of uranium ore. It controlled itself elegantly, its water moderator ...

Departing in the predawn darkness of Aug. 6, 1945, a modified B-29, designated with radio call sign ‘Dimples 82’, was carrying a single bomb. Enola Gay was about to change the world. Approximately a ...

Barbara Scollin, grandniece of Major General Kenneth D. Nichols, continues her series on his life. Ample reasons, most notably leadership skills, personality traits and qualifications, led to choosing ...

The 80th anniversary of the atomic bombing of Hiroshima and Nagasaki is this week. It was the only time nuclear warheads were used during war. Here’s a look at the history and current U.S. stockpile.

When it comes to marking anniversaries of the atomic bomb, there are a few obvious choices. July 16, 1945, was the date of the Trinity test, the first nuclear explosion, and has been used by some as ...

The first reports were met with disbelief. A single bomb with the explosive force to level a city; a bomb, detonated with such intensity it burned as bright as — maybe, even brighter than — the sun.

Maj. Gen. Kenneth D. Nichols was a key figure in developing U.S. atomic policy during the early Cold War. Tensions between Nichols and AEC Chairman David Lilienthal over atomic weapons production were ...