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 ...

February 12, 2026: For at least six years, China has been testing 4th Generation nuclear weapons. First Generation was fission atomic bombs using uranium-235 or plutonium-239. These were the bombs ...

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.

Nuclear weapons tests were once a regular occurrence, but most countries haven’t tested in decades, following the adoption of the Comprehensive Nuclear-Test-Ban Treaty in 1996. Now, that moratorium ...

Lewis Eves does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...