Nuclear power is controversial among governments, experts and the public. Three high-profile accidents contribute to public fear surrounding nuclear power.

A nuclear reactor is a device that initiates, moderates, and controls the output of a nuclear chain reaction.

This article discusses Nuclear Weapon Free Zones and other denuclearization agreements.

This article summarizes multilateral and bilateral nuclear weapon test ban treaties.

Operation Crossroads was a series of nuclear weapons tests conducted by the United States at Bikini Atoll in the Marshall Islands in 1946.

On February 27, 1943, nine Norwegian commandos sabotaged the German-held Vemork plant outside of Rjukan, Norway. Operation Gunnerside successfully set-back Germany's atomic bomb program.

Operation Plumbbob was a series of 29 nuclear tests conducted by the U.S. military between May 28 and October 7, 1957, at the Nevada Test Site.

In 1954, J. Robert Oppenheimer's security clearance was revoked by the Atomic Energy Commission.

Nuclear science has many peaceful implications for science and technology.