Yellowstone National Park, renowned for its geothermal features and volcanic history, is beginning to show signs of renewed ...

Yellowstone National Park, known for its stunning landscapes and geothermal features, is sitting atop one of the most ...

An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists.

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

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

The recent death of a bison at Grand Prismatic Spring is an emphatic example of the danger posed by thermal areas in ...

Photos show the bison struggling in the spring, thrashing and jumping into the air to try to get away from the boiling hot water.

A bison in Yellowstone National Park appeared to stumble into the scalding water of Grand Prismatic Spring, causing its death ...

The bison died in the boiling waters of the Grand Prismatic Spring. This happens from time to time, but usually not in front of a crowd.

A bison died after it appeared to stumble into a hot spring at Yellowstone National Park last week while visitors looked on.

The ash cloud above Mount Lewotobi Laki-laki on Monday was about four times taller than the one produced by an eruption there ...