Long ago, Hispanic sheepherders carved names, dates and drawings into Valles Caldera’s aspens. Can a small team of surveyors ...

Learn how geologists at Yellowstone National Park clean up hot springs filled with litter, saving them from irrevocable ...

Data released by the NPS on Friday shows its parks – the term used to describe all of its sites, not just true national parks ...

Every time they're spotted, the internet loses its mind. Here's what you should know about one of Yeti's most compelling hard ...

A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it's visible from a road rather than any significant change in the park famous for its ...

Yellowstone National Park has been around since 1872. Here are some fun facts you may not have ever learned about the country ...