A new study has illuminated the conditions two billion years ago when the Earth’s atmosphere underwent a rapid increase in ...

Add Yahoo as a preferred source to see more of our stories on Google. Geologists discovered a new blue water spring at Yellowstone National Park that likely formed after a series of "mildly explosive ...

The newest attraction at Yellowstone National Park is ice-blue, steaming hot, and about the size of a Jacuzzi. According to the U.S. Geological Survey, a new hot spring has appeared in Yellowstone.

A bison in Yellowstone National Park appeared to stumble into the scalding water of Grand Prismatic Spring, causing its death as tourists looked on during the park's busiest season. The bison fell ...

A Colorado woman shared photos on social media of a bison's accidental drowning in a scalding hot spring at Yellowstone National Park. A Yellowstone scientist told national media outlets it's not ...