Leaders with serious health issues secretly held the power to launch nuclear war. A new study exposes the terrifying overlap of illness and unchecked authority.

On July 16, 1945, the Nuclear Age erupted into being, with the atomic bomb’s first test, code-named Trinity, in the desert of New Mexico. Today, 80 years later, the bomb still dominates our lives—we ...

Eighty years ago – on Aug. 6 and 9, 1945 – the U.S. military dropped atomic bombs on Hiroshima and Nagasaki, Japan, thrusting ...

The US administration must address nuclear arms control in different ways: sustain existing limits with Russia and build predictability with China.

The US government agency in charge of designing and maintaining nuclear weapons was among those breached by a hack of ...

Yet until the moment he resigned, nuclear “command and control”—the complex but delicate system that allows a president to launch weapons that could wipe out cities and kill billions of ...

Indeed, Director of National Intelligence Tulsi Gabbard said in March that U.S. intelligence “continues to assess that Iran is not building a nuclear weapon, and Supreme Leader Khamenei has not ...

How an atomic weapon is built, and what the recent Israeli and U.S. attacks on Iran may mean for the country’s nuclear ambitions.

Days before the United States’ June 21 strike on three Iran nuclear sites, President Donald Trump said the country was "weeks away" from having a nuclear weapon. On its face, Trump’s comment ...

Iran’s Fordow enrichment plant, located in the mountains south of Tehran, is a heavily fortified nuclear facility buried nearly 300 feet underground — and central to any attempt to buil… ...