Add Yahoo as a preferred source to see more of our stories on Google. The fight to stop a nuclear waste repository at Yucca Mountain has lasted for over three decades. For Nevada's Congressional ...

Earth's crust once formed a dense "root" supporting Colombia's northern Sierra Nevada de Santa Marta mountains, but new research suggests this prop sank into the mantle millions of years ago. When you ...

A young mountaineer from Wyoming travels to the Italian Alps in search of new summits. What happens when youthful curiosity meets a spirit of adventure? Meet Bennett, a 9-year-old from Wyoming who has ...

Geologists are starting to answer a long-standing question about a puzzling mountain range in northern Colombia: how did it get so high? Typically, tall mountains sit atop thick ‘roots’ of crustal ...