It remained prominent into the fall of 2024: a strong steam plume that remained visible from a nearby road on chilly mornings ...

Now, Yellowstone's magma is on the move, according to research published in the journal Nature, where a team of scientists said they found a build-up in a corner of a vast 50 kilometre by 70 ...

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

Yellowstone National Park has a new thermal vent spewing steam in the air that could be visible to tourists once visitors ...

This story appears in the August 2009 issue of National Geographic magazine. Update: Our new Yellowstone National Park stories may surprise you with pictures of Yellowstone's remarkable animals.

Lying five miles beneath the surface of Yellowstone National Park in Wyoming is a timebomb more than 640,000 years in the making. The Yellowstone supervolcano is a vast reservoir of magma with the ...

The Alaska Volcano Observatory says that if the snowcapped volcano erupts, the impacts could include damage to aircraft from ash.

This week, experts revealed that there's been volcanic activity in the United States and that the volcano could erupt "in the next few weeks or months" ...

Mount Spurr near Anchorage has been showing signs of unrest for a year. Now scientists think it's creeping closer to an ...

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 ...