The U.S. Navy carried out four scheduled unarmed missile tests of the Trident II D5LE off the coast of Florida last week.

The U.S. and China possess the world's second- and third-largest nuclear arsenals, with 5,177 and 600 warheads, respectively, ...

A nuclear-powered submarine from either the United States or the United Kingdom appears to have test-fired a UGM-133 Trident ...

Even eighty years after the first nuclear bomb test, the consequences still haunt people all around the world. Radioactive fallout hasn’t just vanished; instead, it continues to affect the health of ...

America’s Trident D5 missiles represent a bedrock of America’s national defense—meaning that they must occasionally be tested ...

Valar Atomics and Utah San Rafael Energy Lab have begun construction of a high-temperature gas-cooled test reactor under ...

Iran has likely carried out an undeclared missile test at its Imam Khomeini Spaceport, according to satellite photos analyzed ...

VIENNA – The Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) continues meaningful engagement with nine states that ...

The missile was launched from a specially designed rail-based mobile launcher, providing cross-country mobility.

BBC Breakfast talks to nuclear test veterans who are campaigning for recognition from the British government, after suffering ...

Asteroid 2024 YR4 has a chance of hitting the moon. To save it from collision, scientists are considering launching a nuclear bomb at the asteroid.