Energy Secretary Christopher Wright clarifies U.S. nuclear testing plans, confirming no explosive detonations but systems testing of weapons components instead.

Russian President Vladimir Putin, dressed in a military uniform, announced on Oct. 26, 2025, that Russia had successfully tested a nuclear-powered missile. If true, such a weapon could provide Russia with a unique military capability that also has broader political implications.

The U.S. has not conducted a nuclear test in over 30 years. Experts say doing one now could make America less safe.

President Donald Trump appears to have ordered a return to nuclear testing after decades of uneasy but effective treaties banning the practice – but will it actually happen?

Alex Wellerstein joins WIRED to answer the internet's burning questions about nuclear science. Which nations have nuclear bombs? Who decides who gets to have nuclear warheads and who doesn't? Why were Hiroshima and Nagasaki targeted at the end of World War II?

Senior Defense Department officials described how the bombs used against the Iranian nuclear facility in Fordow worked during a Thursday press briefing at the Pentagon. The United States struck facilities in Fordow, Natanz and Isfahan related to Iran’s ...