The American reaction to an attack is classified, but details made public paint a harrowing picture.

Amid rising global tensions with conflicts in Russia, Ukraine, and most recently Iran and Israel, social media has been ...

When the US warplane dropped a 4,400kg atomic bomb on Hiroshima, and 43 seconds later it detonated 600 metres above the city, ...

A new map has revealed the terrifying spread of radioactive fallout from US nuclear tests, showing the contamination in 46 ...

Beneath layers of waste, landfills around the US have been reaching scorching temperatures, spewing toxic gases and geysers ...

Welcome to our live blog covering the latest from Europe. Track major updates on EU politics, NATO dynamics, energy ...

The appraisal that Iran’s nuclear hopes had been set back 1 to 2 years by U.S. and Israeli bombings was the latest in a ...

Trump ordered 14 bombs dropped on targeted Iranian nuclear sites. Here's how readers reacted to that decision and the week ...

A scholar of intelligence and strategy explains why battle damage assessments are so challenging – and why the process has ...

This series of articles examines why today’s nuclear landscape is more complicated and, in many ways, more precarious than ...

President Donald Trump campaigned on keeping the United States out of foreign wars, but it didn’t take long to convince him ...

Top military commanders from South Korea, the United States and Japan are expected to meet in Seoul next week to discuss ...