Experts believe that before the US attack, Iran had stockpiled uranium enriched well beyond the level required to build nuclear weapons.

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

NPR's Ayesha Rascoe talks with Daryl Kimball, executive director of the Arms Control Association, about how U.S. strikes on Iran could impact nuclear proliferation globally. Since the beginning of the ...

Add Yahoo as a preferred source to see more of our stories on Google. U.S. Department of Energy Secretary Chris Wright speaking at the National Museum of Nuclear Science and History in Albuquerque, ...

Recent conflicts in Europe and the Middle East have reignited fears about the use of nuclear weapons. What would a nuclear conflict do to the planet’s environment today? In a new congressionally ...

CONTENT WARNING: This article contains descriptions of nuclear weapons effects, including disturbing accounts of the victims. On August 6, 1945, the United States dropped the first atomic bomb ever ...

The United States is to resume nuclear weapons testing “immediately”, Donald Trump has announced, raising fears of renewed proliferation between the world’s two biggest stockpiles of atomic weaponry.

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 ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The citation information for this ...

Since the beginning of the Cold War, there's been a global effort to prevent the proliferation of nuclear weapons. The number of decommissioned old weapons has outstripped the number of new ones for ...