When North Korea conducted its most powerful nuclear test to date on September 3, 2017, the world was alerted not by official ...

The confusion rattled allies and arms control experts alike. Energy Secretary Chris Wright soon intervened to clarify that ...

Atomic veterans are soldiers who were sent into nuclear tests during the 1950s and 60s, often just miles from the blast — ...

President Trump has argued the U.S. should test nuclear weapons because other countries are doing it. But scientific data suggest they’re not.

Donald Trump is pushing to resume testing nuclear weapons, leading Vladimir Putin to do the same. The legacy of nuclear tests is devastating.

X-energy has launched a critical 13-month irradiation test for its advanced, non-melting TRISO-X fuel at Idaho National Lab.

A single nuclear bomb dropped on a city can kill millions. If many such bombs were used, they could change the world's ...

The nuclear testing announcement is likely President Trump’s attempt to restart arms control negotiations with US adversaries ...