Scripps News takes you inside a California lab that is ensuring the effectiveness of the United States' nuclear weapons - ...

Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.

Brandon Williams, the nominee to lead the National Nuclear Security Administration, said he would recommend reliance on ...

The National Nuclear Security Administration said development for a bomb 24 times more powerful than the one dropped on Hiroshima is ahead of schedule.

Jeanne Sharp Howerton clearly remembers the nuclear tests. All she had to do was step out on her front porch, where she’d have a direct line of sight to the detonation. First, there was a flash.

The site, formerly known as the Nevada Test Site until 2010, is located 65 miles northwest of Las Vegas, and was the site of over 900 nuclear detonations between 1951 and 1992. It is 1,355 square ...

The Soviet Union detonated its first atomic bomb, known in the West as Joe-1, on Aug. 29, 1949, at Semipalatinsk Test Site, in Kazakhstan. The Soviets called their first atomic test "First Lightning." ...

After shedding light on the suffering of victims exposed to nuclear tests conducted decades ago in the Pacific Ocean to domestic audiences, Hideaki Ito is intent on taking his message overseas ...

From the Smithsonian Channel These Atomic Bomb Tests Used U.S. Troops as Guinea Pigs Operation Desert Rock was the codename for a series of military tests in the 1950s aimed at understanding the ...