The Holey Boulders on Snowy Mountain feature patterns typically found near oceans or deserts. Why they exist in the ...

New research suggests a hidden body of pressurized freshwater may lie beneath the Great Salt Lake’s playa, trapped below a ...

We show how this "cosmic clock" uncovers the evolution of rivers, coasts and habitats.

"[This study gives] us a better picture of what's going to happen in the future." Researchers reveal hidden landscape beneath miles of ice: 'Now you've got a properly zoomed-in digital image' first ...

The U.S. Army Corps of Engineers is set to start raising a dam used to catch millions of tons of Mount St. Helens sediment that flows each year from the mountain into the Toutle, Cowlitz and Columbia ...

The Painted Hills, one of three park units that make up John Day Fossil Beds National Monument, are home to some of the ...