Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. During a field trip to the ...

The last super-eruption at Yellowstone volcano, which occurred 631,000 years ago, was not one huge explosion. Instead, new research suggests it was a series of eruptions or multiple vents spewing ...

Wyoming is home to massive natural formations, as any visitor to the Grand Teton National Park can attest, but those formations also hide secrets. Beneath layers of ancient ash, evidence of two ...

I first caught a glimpse of Fort Rock through an opening in the trees along County Road 5-10, about an hour drive southwest of Bend. The circular outcropping of volcanic rock, known as a tuff ring, ...