Chinese scientists have tested a hydrogen-based explosive device that produces a fireball with temperatures exceeding 1,000°C ...

Brandon Williams, Trump's nominatee to lead the National Nuclear Security Administrationy, acknowledged the agency's ...

Iran's nuclear program exhibits concerning parallels with those of North Korea, India, Pakistan, and Israel, marked by a ...

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

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 - ...

A nuclear explosion might eventually be Earth’s only way to protect itself from a dangerous asteroid. But preparing for that ...

Elon Musk wasn't in the room for this week's confirmation hearing, but his presence loomed large as President Donald Trump's nominee to head the nation's nuclear weapons agency faced questions ...

test and deploy even a small arsenal. But that is why European leaders feel the urgency to begin discussions now. Should they proceed, the spread of nuclear weapons would not be limited to Europe ...

North Korea has pursued nuclear weapons despite sanctions by the U.N. Security Council over the years since it first ...

Kim Yo Jong, the influential sister and potential successor to North Korea's Supreme Leader Kim Jong Un, has warned U.S.