Workers that build and maintain the UK's nuclear weapons have voted to strike over a planned restructuring of the organisation. Prospect said the Atomic Weapons Establishment's (AWE) staff were being ...

For the first time in more than half a century, there are no binding restraints on the buildup of the largest nuclear forces on Earth. The New START treaty expired on Feb. 5, 2026, ending the last ...

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.

In what would be a major shift in a decades-old American policy against global nuclear proliferation, President Trump says he has directed the Pentagon to “start testing” U.S. nuclear weapons “on an ...

The last significant nuclear-arms-control treaty is about to expire, and Trump isn’t putting anything in its place. Illustration by Matteo Giuseppe Pani / The Atlantic. Sources: Bettmann; Peter ...

Before the federal agency that builds nuclear weapons and safeguards the nation’s nuclear stockpile ran out of funding, officials there made an urgent request to the White House’s Office of Management ...

Aerial view of Hiroshima, Japan, after atomic bombing of August 6, 1945. Whether a nuclear weapon might again be used by one nation against another is a question that has haunted the world for nearly ...

Late last week, the U.S. leveled an explosive claim: China is planning secret nuclear weapons tests and has already conducted at least one. The undersecretary of state for arms control and ...

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one. “As of today, the ...

In “Preventing Nuclear War,” an essay published in the Bulletin of the Atomic Scientists, in 1981, the Harvard law professor Roger Fisher imagines a President in the White House, discussing nuclear ...

Several military technological innovations have changed the course of history. From the sailing ship to the stirrup, these advances have pushed the world into new directions, and chief among them is ...

Add Yahoo as a preferred source to see more of our stories on Google. A subsurface atomic test near Yucca Flats, Nev., in March 1955. (U.S. Atomic Energy Commission via AP) (U.S. Atomic Energy ...