The head of the U.N. nuclear watchdog agency says Iran's enriched uranium "is still there," as he stresses the urgency of diplomacy to avert a U.S.-Iran war.

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 completely transform its nuclear arsenal into the world’s most technologically advanced,

The development comes amid fears of a new global nuclear arms race. Read more at straitstimes.com. Read more at straitstimes.com.

The report will likely spark fears the world could inch closer to a new conflict, with CNN reporting sources who said China also appears to be developing low-yield, tactical nuclear weapons for the first time.

As President Donald Trump escalates military pressure on Iran, with signs mounting that the U.S. leader will once again make good on his threat of action, North Korean Supreme Leader Kim Jong Un watches on under a nuclear shield.

Satellite imagery of secretive nuclear facilities reveals Beijing’s efforts to expand its arsenal, just as the last global guardrails on nuclear weapons vanish.

China appears to be developing low-yield, tactical nuclear weapons, something it has never developed before.

Poland should have its own nuclear weapons programme, given the threat posed by Russia, President Karol Nawrocki has said. Speaking to broadcaster Polsatnews on Sunday evening, Naworcki said "the

The United States on Friday accused China of carrying out a secret nuclear test in 2020 as the Trump administration calls for a broader nuclear weapons agreement including both China and Russia.

US officials reportedly believe China’s nuclear expansion is narrowing the gap with the United States and Russia, potentially leading to advanced capabilities not currently possessed by either power.

Stony Brook operated under code names such as “Site Item,” and personnel often described their unit in deliberately vague terms. The secrecy was intentional. Even as B-52s roared overhead from Westover’s extended runways,

If diplomatic efforts to end Iran’s nuclear program fail, the president’s appetite for a potentially lengthy war will be tested.