Yellowstone National Park's geological history is one of the most intensely studied in North America. A new geologic unit ...

See Yellowstone National Park’s most colorful hot springs from a great vantage point when you hike the Grand Prismatic Spring ...

I've visited all 63 major US national parks. I think Great Smoky Mountains and Grand Canyon are some of the best parks for ...

Stunning timelapse footage captured several of Yellowstone National Park’s geysers as they let off steam overnight on July 2.

In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

In what year was Yellowstone National Park established as the world's first national park? Test your knowledge of Yellowstone National Park! Attempt this GK quiz on its location, wildlife, and facts ...