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

A new analysis based on an online simulation tool is raising fresh questions about where Americans might be safest if a nuclear war ever happened. The study points to a handful of U.S. states that ...

As U.S. and Israel attacks on Iran continue and Mideast tensions escalate, theoretical maps show the potential catastrophic impact of a world nuclear war if one ever happened. President Donald Trump ...

The United States military has tested its Minuteman lll nuclear ballistic missile at Vandenberg Space Force Base in ...

Nuclear weapons tests were once a regular occurrence, but most countries haven’t tested in decades, following the adoption of the Comprehensive Nuclear-Test-Ban Treaty in 1996. Now, that moratorium ...

Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, undermine nonproliferation efforts, and empower the nation’s adversaries to ...