Sandia National Laboratories has started to work on the B61-13 nuclear bomb program, as shown in an image of the weapon's first joint test assembly released on its website on Mar. 19, 2025.

Opinion: Three chief narrative claims threaten to send Washington down costly, inefficient and risky nuclear policy paths, ...

By speeding up nuclear triggers and building bigger bombs, the US might push other countries to do the same, sparking a new ...

Unlike a wholly new weapon, the B61-12 reuses warheads from the B61-4, integrating them into a new casing equipped with advanced non-nuclear components. The upgraded B61-12 weighs around 825 ...

a modern variant of the B61 nuclear gravity bomb, this fiscal year and significantly ahead of schedule," an NNSA spokesperson told Fox News. "One of seven warhead modernization programs to ensure ...

A new US nuclear weapon 24 times more powerful than the one used on Hiroshima is being rush-produced because of an “urgent” and “critical” threat from rising global tensions, according to ...

The US has started making a nuclear bomb seven months before planned. The world-ending B61-13 nuclear weapon unit can carry a devastating 360-kiloton bomb, making it 24 times more powerful than ...

SNL’s B61-13 will be the latest of the US’s oldest nuclear weapons program ... “It is as much an opportunity as it is a test. The ball is in America’s court,” Iran’s Foreign Minister ...

The United States has fast-tracked production of one of the most powerful nuclear weapons in its arsenal to date, the B61-13 gravity bomb — a weapon so potent it boasts a yield 24 times more ...

Personnel test load an unarmed B61-12 bomb, which can be outfitted with a nuclear warhead, on a B-2 Spirit bomber in 2022 at Whiteman Air Force Base, Missouri. (A1C Devan Halstead/U.S. Air Force) ...