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 ...

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

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

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 ...

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

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

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

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.