Iran’s uranium-enrichment program has stalled, said experts, despite U.S. war preparations.

President Donald Trump said that Iran's nuclear program was "obliterated" last summer, but he now says the U.S. may have to ...

As the Department of Defense pushes for greater AI integration, researchers said the top models chose the nuclear option in nearly all war simulations.

The nuclear taboo doesn’t seem to be as powerful for machines [as] for humans,” said Payne, according to specialty magazine ...

A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground nuclear test nearly six years ago.

President Trump is pressuring Iran to either curtail its nuclear program or face military strikes, after Iran amassed a large ...

US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one covert explosive test in recent years as part of a broader push to ...

During his State of the Union address, Trump indicated he was considering attacking Iran if it refused to give up its nuclear program and effort to build long range missiles.

Reuters, citing a senior US State Department official, has reported that the US delegation has already held talks with Russian representatives and is preparing to meet Chinese diplomats on nuclear ...

The head of the U.N. nuclear watchdog agency says Iran's enriched uranium "is still there," as he stresses the urgency of ...

By David Brunnstrom WASHINGTON, Feb 25 (Reuters) - U.S. President Donald Trump briefly laid out a case for a possible attack on Iran in his State of the Union speech to Congress, saying he would not ...