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

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 ...

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 ...

The United States is ready to carry out low-yield nuclear tests to match alleged secret explosions by China and Russia, ...

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.

A nuclear escalation in the Middle East would trigger a global catastrophe. Know the physics behind nuclear weapons, and the ...

Speaking before the Conference on Disarmament in Geneva, Russian ambassador Gennady Gatilov decried US President Donald Trump ...

A nuclear engineer examines how visual effects artists interpret the size and power of nuclear explosions. The reaction ...

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 ...