As the threat of a nuclear war intensifies, the terrifying reality of what could happen after the bombs explode may cause more fear than the initial cataclysm. For decades, worst-case scenarios have ...

Present fears that some country may transfer nuclear warheads to Iran may ultimately prove as overblown as many of these past historic fears.

On Aug. 9, 1945, 6-year-old Chiyoko Motomura was playing on a veranda at her family’s Nagasaki, Japan, home. Her mother, aunt and grandfather were weeding the rice fields while her grandmother was ...

President Trump ripped up a pact designed to prevent Iran from building a bomb. Getting a better agreement now could prove ...

Sunday, April 26, marks the 40th anniversary of the world’s worst nuclear power plant accident at the Chernobyl nuclear power ...