China has an estimated 600 nuclear warheads—an increase of 100 in just one year—the Stockholm International Peace Research Institute reported.

Only the U.S. military has the 30,000-pound bomb capable of reaching the facility and the bomber that can carry it.

European foreign ministers told their Iranian counterpart in a call on Monday to return to nuclear negotiations with the U.S. and refrain from escalating conflict with Israel, to which Iran's foreign minister said Tehran's priority was to confront Israel for now,

Haifa and Tel Aviv struck by Iranian missiles as U.S. embassy in Israel directs government employees and families to shelter in place at home.

Artificial intelligence could spark an accidental nuclear war, conflict experts fear. The Stockholm International Peace Research Institute (SIPRI), the world's leading organisation on nuclear assessments, said technologies like AI are aggravating the ...

Researchers are fine-tuning recipes for a new kind of nuclear battery at Zeno Power's office-lab complex in Seattle.

This breakthrough is already making waves. University researchers develop revolutionary closet-sized nuclear reactor: 'Something no other university has' first appeared on The Cool Down.

The White House is discussing with Iran the possibility of a meeting this week between U.S. envoy Steve Witkoff and Iranian Foreign Minister Abbas Araghchi, according to four sources briefed on the issue.