National Nuclear Security Administration (NNSA)

Abstract digital artwork featuring colorful geometric shapes on the left and a stylized red-orange aircraft on the right, set against a purple background.

The 2025 nuclear year in review: Back to the Future Atomic Age

By François Diaz-Maurin | Nuclear Energy, Nuclear Risk, Nuclear Weapons

Why it would be a bad idea for the Trump administration to conduct a “rapid” nuclear test

By Sulgiye Park, Jennifer Knox, Dylan Spaulding | Nuclear Weapons

The troubled Mixed-oxide Fuel Fabrication Facility project at the Savannah River Site is proposed to be transformed into a plutonium pit production facility. Photo (c) Timothy Mousseau, 2019.

Why a decision on a second US plutonium-pit-production factory should be delayed

By Frank von Hippel | Analysis, Nuclear Weapons