There has not been a major (or minor) nuclear explosion since the 1960s. This is almost entirely because ...

A website that lets users simulate a nuclear attack has seen an uptick in users amid the ongoing war with Iran.

As the video illustrates, it doesn’t matter much who starts the war: when one side launches nuclear missiles, the other side detects them and fires back before impact. Ballistic missiles from U.S.

If the U.S. does drop a powerful "bunker buster" bomb on a suspected underground nuclear weapons site in Iran, experts in radiation hazards say there is little risk of widespread contamination. As we ...

Scientific knowledge about the damaging effects of nuclear-weapons testing helped to end such tests. Those findings haven’t changed.

Studies of the potential climate effects of nuclear war in the 1980s focused on northern hemisphere, large-scale nuclear conflicts, and predicted more extreme global “nuclear winter” scenarios.

Add Yahoo as a preferred source to see more of our stories on Google. A recent Chinese military study reported on Sunday says using three precision-guided warheads is more effective at destroying ...

Representatives of various groups, including one that earned a Nobel Peace Prize, gathered at an interfaith event in Albuquerque, New Mexico, to call for nuclear disarmament worldwide. Hosted by the ...

Editor’s note: “Behind the News” is the product of Sun staff assisted by the Sun’s AI lab, which includes a variety of tools such as Anthropic’s Claude, Perplexity AI, Google Gemini and ChatGPT. On ...