Mount Spurr, which scientists say is likely to erupt in the coming weeks or months, is about 80 miles west of Anchorage. But ...

Scientists have found previously undocumented ash deposits buried beneath the Lava Creek Tuff in Wyoming — and at least one ...

Mount Spurr, which scientists say is likely to erupt in the coming weeks or months, is about 80 miles west of Anchorage. But ...

Scientists are bracing for high lava fountains in the latest episode of an ongoing eruption of Hawaii’s Kilauea volcano.