Navigational warnings indicate that the United States has scheduled its first test of a nuclear-capable, but unarmed, intercontinental ballistic missile (ICBM) after President Donald Trump ordered the ...

The post-war international order may be tearing apart at the seams and international law is increasingly looking like a ...

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 ...

Sign up for the Slatest to get the most insightful analysis, criticism, and advice out there, delivered to your inbox daily. On July 16, 1945, the Nuclear Age erupted ...

A Lockheed Martin F-35A stealth fighter from the US Air Force (USAF) test dropped multiple inert versions of a nuclear bomb in August. The USA’s Sandia National Laboratories, a Honeywell subsidiary ...