Ash from the catastrophic 1980 eruption of Mount St. Helens began to swirl around the volcano this week, creating a smoky haze that obscured its summit.

Commercial pilots reported seeing ash in the vicinity of the mountain, the site of the infamous eruption of May 18, 1980, ...

Strong winds across parts of Washington state have kicked up volcanic ash deposited during the 1980 Mount St. Helens eruption ...

“Volcanic Ash from the 1980s is being lofted back into the air from the strong east winds,” NWS Portland said. The Cascades ...

A sprawling crater at the summit of Hawaii's Kilauea volcano erupted again, marking the 32nd episode of volcanic activity at ...

Mount St. Helens erupted 45 years ago at 8:32 a.m. on May 18, 1980, blowing off the top of the mountain and causing the largest landslide in recorded history. It flattened 230 square miles of forest, ...

Hawaii’s Kilauea volcano has been shooting lava from its summit crater about once a week since late last year, delighting residents, visitors and online viewers alike with a firehose of molten rock.

Kilauea came alive around 5:35 a.m. on Tuesday, Sept. 2, and while the fountains had ceased by the evening, Big Island Residents say every episode feels like a once-in-a-lifetime experience.

Strong winds were sending decades-old ash from the 1980 eruption aloft on Tuesday.

One of the topics I will often feature in this column is volcanic activity. Last week marked the 142nd anniversary of the massive eruption of Krakatoa. This explosion was one of the most powerful ...

If you were lucky 74,000 years ago, you would have survived the Toba supereruption, one of the largest catastrophic events ...

In Nicholas Day’s “A World Without Summer,” Mount Tambora provides a warning about climate change and the inspiration for ...