There has not been a major (or minor) nuclear explosion since the 1960s. This is almost entirely because ...

For the first time in decades, the world’s largest nuclear powers are operating without hard caps on their arsenals just as more countries flirt with the bomb. The expiration of New START on February ...

For the first time in decades, the world’s two largest nuclear superpowers are no longer bound by any treaty limiting their arsenals. The last remaining nuclear arms control agreement between the U.S.

A website that lets users simulate a nuclear attack has seen an uptick in users amid the ongoing war with Iran.

The expiration of the New START treaty has the US and Russia poised to increase the number of their deployed strategic ...

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 ...