The Rulison test — conducted at a depth of 8,425 feet — was the deepest subterranean nuclear-bomb detonation conducted in U.S. history.

On a high flank of Battlement Mesa, a summer home sat almost atop a nuclear test site, and fish occupied a former drilling fluid overflow pond. That’s how the U.S. Department of Energy described the ...

Fracking – a controversial method of extracting natural gas and oil from underground – is a deeply divisive topic. Some say it damages property and causes pollution, while others contend it is a safe, ...