Mount Lassen, in the southern Cascades, erupted on May 22, 1915, 65 years almost to the day before Mount St. Helens. Also known as Lassen Peak, the mountain is the southernmost active volcano in ...

The 1980 Mount St. Helens eruption began with a steady series of earthquakes in March. By April it began spewing smoke, ...

A reappraisal of decades-old data suggests that strange circular formations on Venus could be volcanic “rings of fire” ...

Mount St. Helens was formed during four eruptive stages beginning about 275,000 years ago and has been the most active volcano in the Cascade Range. The map below shows all where volcanoes are ...

Mountains rise, volcanoes spew, and Earth itself quakes as the crust constantly remakes itself in the ceaseless cycle of ...

The second most important onboard piece of tech you’ll want in a proper hiking smartwatch is an onboard altimeter to keep ...

For the current quarter ending in July, Zoom expects its per-share earnings to range from $1.36 to $1.37. The company said it ...

This Northern California gem boasts fewer crowds than the national parks of Southern California. Lassen Volcanic National ...

Natural disasters are destroying some of America’s most iconic mountain bike trails. Here’s how one community in Oregon rallied to preserve their beloved wonderland.