An unarmed Trident II D5 missile launches from an Ohio-class ballistic missile submarine off the coast of Florida. The four launches conducted from September 17-21 were part of a planned test event ...

Section 1. Purpose. The United States led the development of civilian nuclear power through the Atomic Energy Commission, the National Reactor Testing Station (now known as Idaho National Laboratory), ...

Trump ordered the Pentagon to restart nuclear testing for the first time since 1992, citing rival nations’ actions. Trump’s claim that the U.S. has the largest arsenal contradicts data showing Russia ...

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.

Defense Secretary Pete Hegseth said the Pentagon is moving “quickly” on President Trump’s directive to restart nuclear weapons testing to ensure the U.S. has the “most capable” nuclear arsenal in the ...

“After consultations with Director Ratcliffe and his team, they have confirmed to me that the CIA assesses that both Russia and China have conducted super-critical nuclear weapons tests in excess of ...

Erin D. Dumbacher is Stanton nuclear security senior fellow at the Council on Foreign Relations. President Donald Trump this week posted on social media that he had ordered the immediate resumption of ...