The 1815 eruption produced 60 megatons of sulfur, and as a result, average global temperatures dropped by around 3°C (5.4°F).

Communities downstream from Mount St. Helens face ongoing risks as sediment continues to move through the river system, ...

On the flanks of Washington State Mount Rainier, a spike in seismic rumbling has revived an old, unsettling question for the ...

A big, messy surprise greeted Yellowstone National Park early Saturday morning, just as winter officially began. At around ...

After a year of explosive episodes, the summit continues inflating with fountaining possible as early as Wednesday.

CASTLE ROCK, Wash. — City and county leaders across Cowlitz County are raising alarms about escalating flood risks along the ...

A Russian volcano that once blew itself apart in a massive explosion is now rising from the ashes—faster than scientists ...

The last two decades of the 20th century were packed with newsworthy events, and some of them coincided with the year of your birth.

5. (tie) What Moves the Dead (Sworn Soldier) by T. Kingfisher and Comfort For Community by Heather Osoy 1. Ghoul of Grays Harbor: Murder and Mayhem in the Pacific Northwest by CJ March 2. Photographs ...

The Oso landslide reportedly was the deadliest in U.S. history. And unlike volcanic eruptions or avalanches, risks largely can be avoided. Preventing development in susceptible areas or stabilizing ...

Seven thousand six hundred years ago, a volcanic eruption of unprecedented scale rocked Western North America.

From the Eiffel Tower's first colors to the original Penn Station, explore how iconic landmarks worldwide looked in the past ...