A volcano that has been dormant for hundreds of thousands of years could be gearing up for a massive explosion, according to ...

Mount St. Helens erupted in one of the most powerful natural disasters in U.S. history. The explosion leveled forests, claimed dozens of lives, and reshaped the Pacific Northwest forever. This short ...

Let’s take a look at 10 trails that trace those forces—but remember, some of these magmatic marvels are merely napping. It’s ...

Rapid uplifting near the 13,000-foot-tall summit of Taftan shows that this long-dormant volcano is more geologically active ...

Mount Etna, located on the Italian island of Sicily, is Europe's largest active volcano. Humans have documented its activity for the past 2,700 years, but the volcano's eruptive history stretches as ...

Due to the lapse in federal government funding, NASA is not updating this website. Mount St. Helens, Washington, erupted 40 years ago, on May 18, 1980. A massive debris avalanche, triggered by an ...

CALLING ALL SMARTY BRAINS! It's time once again to put your brainy-brain to the test with this week's edition of POP QUIZ PDX—our weekly, local, sassy-ass trivia quiz. And this week we'll be testing ...

(CNN) — For a moment, it seemed like a blast from the past: a plume over Mount St. Helens on Tuesday looked like the volcano might be erupting again. But fortunately, this was not an eruption — just a ...

Mount St. Helens looked like it might be erupting again. Commercial pilots flying in the area Tuesday reported clouds of fine volcanic ash rising into the air above the collapsed dome of the Cascades’ ...

No, Mount St. Helens is not erupting. What you are seeing in the Pacific Northwest today is actually remnants of an event nearly 50 years ago. According to the National Weather Service, old volcanic ...