Two such lunar canyons, Vallis Schrödinger and Vallis Planck, stretch over 270 km (168 miles) each, with depths of 2.7 km ...

As a principal engineer for the county’s Public Works Department, Klippel’s job is to try to stop catastrophic flows of mud, ...

San Gabriel Valley areas scarred by the Eaton Fire are at “high to very high risk” of debris flows this week. How do they ...

Looking for some bucket-list travel ideas? You can't go wrong with these natural wonders—though you might not believe your ...

Scientists found that an asteroid impact carved two massive canyons on the moon in minutes. High-speed debris helped shape ...

Two canyons that splay out from a vast asteroid crater on the moon may have been quickly formed by chains of impacts that ...

This lodge is all about its spectacular location, within a national monument and between two national parks. It also has fire pits, free s'mores, and access to endless trails and rivers.

On Monday, a federal judge upheld National Monument protections on parts of the Grand Canyon. On Wednesday, the Navajo Nation reached an agreement with Energy Fuels, the nation's largest uranium ...

You can see the angle of east-sloping rock layers decrease as you hike west into the interior ... Otherwise, a cairned route bypasses this section and brings you up the right canyon wall, but it can ...

Wingate, Kayenta, and Navajo layers — each splendid in its own right — form ... Keep your eyes on the left canyon wall for more arches hidden in the Wingate. Throughout the next 2 miles, the walls ...

It’s designed with a relaxed fit, making it perfect for throwing on top of all of your other layers, and has elasticized cuffs and a drop-tail hem to keep the cold out. The chore-coat-esque ...