From exploring Arizona canyons to Utah buttes and beyond, our national parks columnist shares the most adventurous Southwest ...

We want to hear from you: What should Alaska's highest mountain be named and why does it matter to you? Or maybe it doesn't matter to you. We'd still like to hear your thoughts on the subject.

That feature is Athabasca Valles, a system of valleys carved into volcanic plains on Mars. The Athabasca Valles system offers key insights into the history of water on the Red Planet, and its ...

Native Alaskan language scholars say the name Denali had been used by Indigenous people for thousands of years for the tallest mountain in North America, found in Alaska. The mountain’s name ...

The move hasn't gone over well with everyone, according to the the North Shore Mountain Bike Association (NSMBA), which said in a statement that someone recently retaliated by scattering piles of ...