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

From possible impacts to how to prepare, we dive into what we know so far about Anchorage’s closest active volcano and how to ...

Last week, officials announced that a volcano 80 miles west of Anchorage is "likely" to erupt within the next few weeks or months. That could send ash into the air for hundreds of miles.

The mantle transition zone (MTZ), which occurs 410–670 kilometers below Earth's surface, may store several oceans' worth of water. This water, which is carried to such depths by subducting tectonic ...