Nuclear

North Korea's foreign ministry on Thursday criticised the United States as "foolish" for convening a UN Security Council meeting over growing...

Clean-up efforts at Japan's Fukushima nuclear plant, destroyed by a massive earthquake and tsunami in 2011, have significantly reduced radiation...

The United States on Wednesday warned North Korea of consequences if it makes good on threats of a spectacular weapons test in the New Year,...

US Secretary of State Mike Pompeo voiced hope Tuesday that North Korea would not carry out a nuclear or long-range missile test while Pyongyang...

President Donald Trump warned Sunday that North Korea's Kim Jong Un had "everything" to lose through hostility towards the United States, after...

President Donald Trump warned Sunday that North Korea's Kim Jong Un had "everything" to lose through hostility towards the United States, after...

North Korea on Saturday said denuclearization talks with the United States were "out of the negotiation table," while slamming European UN Security...

The signatories to the Iran nuclear deal remain committed to the faltering accord, China and Russia said Friday, following crunch talks as Tehran...

Russia's President Vladimir Putin on Thursday said Moscow seeks to renew the nuclear New Start treaty, a key remaining US-Russian arms treaty,...

Britain, France and Germany have accused Iran of developing nuclear-capable ballistic missiles in a letter dismissed by Iranian Foreign Minister...

The United States said Thursday that Iranian authorities may have killed more than 1,000 people in a crackdown on demonstrations, which Washington...

Europe's oldest functioning nuclear reactor, at Switzerland's Beznau plant, will turn 50 next week -- a lifespan deemed dangerously long by environmentalists...

North Korea on Wednesday warned that if the United States used military force against Pyongyang it would take "prompt corresponding actions at...

Iran is willing to return to the negotiating table if the United States first drops sanctions, President Hassan Rouhani said Wednesday, after...

President Hassan Rouhani said on Wednesday that Iran is still ready for nuclear talks on condition the United States first lifts "unlawful" sanctions."If...

Veteran Argentine diplomat Rafael Grossi was sworn in on Monday as the new director general of the UN's nuclear watchdog the International Atomic...