An explosion on Mount Spurr could generate massive cloud of ash, which could mess with airplanes and cause issues for humans.

Rescuers followed footprints in the snow to find a weary and lost person after their cellphone died on Mount St. Helens over ...

We took on one of the most intense crawls of our caving adventures – squeezing through tight passages deep inside Pettyjohn Cave to reach the legendary Volcano Room. It was a journey filled with low ...

Tourist site’s management describes hill as ‘volcano’, complete with staged ‘eruptions’ that release artificial pink smoke on ...

For a pilot, the first signs of flying into an ash cloud can include sudden darkness, fluctuating airspeed, and landing ...

I travelled for 3 months as a foreigner in the Philippines before concluding my filipino travel vlog series with the Fighter Boys trip with Kyle Jennermann of Becoming Filipino, Daniel Marsh, Finn ...

Ghost’s new Poacha is a freeride and bike park bike, it gets 180mm travel and is the launch vehicle for the German brands ...

Our favorites are Hakuba Happo-One for its backcountry access, Hakuba 47 and Goryu for endless groomers and terrain parks, ...

Shasta Valley's strange hills reveal a secret — the debris of a massive ancient mountain collapse in Northern California.

"Without that closed off, you'd be seeing 100-degree temperature air just flowing right through here, ripping in and making this no longer an ice cave," Wallace said ...