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 ...

On occasion they get much bigger: The largest known crater from a hydrothermal explosion on Earth is in Yellowstone and measures 1.5 miles (2.4 kilometers) across, Poland said. Scientists theorize ...

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" ...