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 ...

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

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

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 ...