As Iran’s nuclear program advances, the critical question of whether Tehran would need to conduct nuclear tests to ensure its weapons are effective looms over the consciousness of the international ...

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.

The Tsar Bomba's explosion was unparalleled in power. With a 50 megaton capacity, this nuclear test was estimated to be 3,800 times the strength of the Hiroshima atomic bomb. And although short video ...

Stress tests are safe, noninvasive ways to detect heart-related issues or determine your fitness level. Learn more about the ...

Involvement of the private sector and the focus on self-reliance should help the country achieve target set in the Union ...

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

Trump’s pick to lead the U.S. nuclear weapons agency faced Senate questions over workforce cuts, morale issues and the future of nuclear weapons testing.

The comments, which state news agency KCNA said were issued on Tuesday, were likely a response to a joint statement by the ...