How do volcanologists determine the height of eruptive plumes from Yellowstone’s past explosive eruptions? Ironically, you ...

The Trump administration is calling for prioritizing mineral production on federal lands. Tribes and environmental groups ...

According to the Yellowstone Volcano Observatory, it’s probable that this new hydrothermal feature is connected to activity ...

Standing three miles inside the Beartooth Mountains in a brilliantly lit maintenance shop carved from Montana bedrock, Congressman Troy Downing said he couldn’t help but absorb the scale of ...

Some of theUpper Missouri River Breaks National Monument campgrounds will open April 1, allowing for early springtime outdoor ...

That optimism met a roadblock when the state of Montana tried to label Hecla’s former CEO, Phillips S. Baker, a “bad actor” ...

A park scientist noticed it about two weeks after a hydrothermal explosion along a boardwalk during the park’s overactive summer.