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 ...

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 ...

Scientists in Wyoming have discovered evidence of two mysterious volcanic eruptions that are older than the last caldera-forming supereruption at Yellowstone. The ash deposits were buried beneath the ...

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, ...