A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say.

Mount St. Helens in Washington State began erupting with a series of steam-driven blasts. These intensified over weeks, leading to a massive eruption on May 18 at 8:32 a.m. Rated a 5 on the Volcanic ...

New spending restrictions for some federal agencies are creating extra hoops for scientists to jump through to fix earthquake ...

A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year -- nearly a ...

Today 45-years later officials at the Washington Emergency Management want you to use the anniversary to think about what you ...