As rich ore gets harder to find, the mining industry is using subatomic particles to map rock deep underground ...

The London Underground is an iconic piece of Victorian era engineering. What started in 1863 quickly became a core piece of infrastructure that would define the modern character of the British capital ...

Beneath our feet, entire communities have carved out lives in the shadows. These underground cities were real places with homes, markets, churches, and entire support systems. Here are some of the ...

Since the first detonation of an atomic bomb in 1945, more than 2,000 nuclear weapons tests have been conducted by eight countries: the United States, the Soviet Union, the United Kingdom, France, ...