The National Nuclear Security Administration (NNSA) is celebrating “a significant milestone,” announcing that it completed a ...

The post-war international order may be tearing apart at the seams and international law is increasingly looking like a ...

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one.

The United States is to resume nuclear weapons testing “immediately”, Donald Trump has announced, raising fears of renewed proliferation between the world’s two biggest stockpiles of atomic weaponry.

The United States is to resume nuclear weapons testing “immediately”, Donald Trump has announced, raising fears of renewed proliferation between the world’s two biggest stockpiles of atomic weaponry.

WASHINGTON -- China is rapidly increasing the size of its nuclear arsenal and could have as many as 1,000 nuclear warheads by 2030, according to a new Pentagon report released Wednesday. The ...

The death of the last treaty between Russia and the U.S. that limited the size of nuclear arsenals may spark a new arms race, ...

South Korean President Lee Jae Myung said Wednesday that North Korea is producing enough nuclear fissile material to build ...

President Donald Trump's comments Thursday suggesting the United States will restart its testing of nuclear weapons upends decades of American policy in regards to the bomb, but come as Washington's ...

Andrew Bustamante explains that his "stance" on the subject has been "fairly consistent", and believes there remains a ...

The threat came as hours of late night 'peace talks' involving Putin and Trump envoys ended with the Kremlin ruling out ...