This article originally published at The fight to bring a lost species back to a California national park.

Known worldwide for its rock formations, Smith Rock is one of Oregon’s most recognizable natural landmarks. The area offers ...

From the iconic Misti Volcano, seen in '3 Body Problem,' Peru's Arequipa has one of the world's deepest canyons and other ...

Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help ...

Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help ...

Hidden in the rugged Owyhee Mountains of southwestern Idaho lies a natural wonder that seems almost too magical to exist in the high desert landscape. Jump Creek Falls cascades 60 feet down ancient ...

Nearly 20 years ago, the last known Cascades frog disappeared from Lassen Volcanic National Park. Now researchers are ...

Lassen Volcanic National Park in far Northern California is a rugged wonderland of lava flows, cinder cones and boiling pools. It is also dotted with welcoming meadows and alpine lakes - places a ...

The United States has a habit of showcasing its geology. Long before cities and highways showed up, forces beneath the surface were already shaping cliffs, caves, faults, and craters that still define ...

Imagine a volcanic eruption so massive it could plunge the Earth into darkness, trigger widespread famine, and alter the ...

Engagement Ring Drops 118 Feet, Ski Resort Employee Saves The Day A short break fades quickly as a series of systems reloads the Pacific Northwest with the best snow from Tuesday night through ...