Experts warn any new Iran deal must ban plutonium reprocessing and expose covert pathways to nuclear weapons, citing risks tied to Bushehr and Arak nuclear facilities.

One portion of a gargantuan plan to modernize the entire U.S. nuclear arsenal, costing $1.5 trillion over the next twenty years, has been opened for public scrutiny and comment beginning this week.

The only well-exposed color image of the Trinity test. (Jack W. Aeby/Manhattan Project/Public Domain) We don't always get to ...

The National Nuclear Security Administration finds plutonium production at Savannah River Site will have no impact on ...

Nearly 80 years after the event, trinitite still has the power to amaze.

The Trinity bomb test left behind a unique form of matter, and now, scientists have discovered a new chemical structure ...

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...

TASS FACTBOX. On October 30, 2025, US President Donald Trump announced that he had instructed the Department of War to begin nuclear weapons testing because "other countries are doing the same," ...