The Yellowstone Plateau Volcanic Field has some of the largest rhyolite lava flows on Earth. Have you ever wondered what ...

Imagine a thundercrack, or a pistol shot, which circled the earth four times. This actually happened, and its origins are quite surprising.

Picture: Getty An update from the Alaska Volcano Observatory (AVO) on Tuesday revealed that unrest continues at Mount Spurr. There have been "frequent small volcanic earthquakes" detected beneath the ...

according to the Yellowstone Volcano Observatory. Yellowstone has not erupted in some 70,000 years, and the odds of a large eruption in the coming centuries are very low. If it does erupt anytime ...

Yellowstone is behaving normally, as it has for more than 140 years, according to the Yellowstone Volcano Observatory. Yellowstone has not erupted in some 70,000 years, and the odds of a large ...