Mysterious driftwood high in Grand Canyon caves hints at the legacy of Arizona’s huge impact crater.
Geology
Posted inJanuary 2026: Deep Time in the West
Three books explore deep time and help us look forward
The future has already happened.
Posted inJanuary 2026: Deep Time in the West
How pronghorn outran the ice age
Can they outrun an uncertain climate future?
Posted inJanuary 2026: Deep Time in the West
How geology not only shapes the world, it shapes us
A geologist’s daughter reflects on deep time and her father’s influence.
Posted inJanuary 2026: Deep Time in the West
Meet the oldest rock in the West
Wyoming’s 3.5 billion-year-old geologic history reminds us that Earth is ever-changing.
Posted inJanuary 2026: Deep Time in the West
How plate tectonics revolutionized our understanding of Earth
And how scientist Tanya Atwater was at the center of it all.
Posted inArticles
When a landslide blocks your commute
The Teton Pass collapse highlights the importance — and growing vulnerability — of mountain roads.
Posted inArticles
Alaska is short on gravel and long on development projects
The state’s North Slope communities need rocks, and they’re hard to come by.
Posted inArticles
An Alaska expedition uncovers new details about dinosaurs of the Far North
A trio of scientists spent weeks on the Yukon River to learn more about the habitat and landscape where ancient dinosaurs once roamed.
Posted inDecember 1, 2022: Beyond Illusion
An expedition through Kim Stringfellow’s Mojave
The artist’s transmedia project highlights the vitality of the desert’s many histories.
Posted inJuly 1, 2022: Living with Rivers
Landslide risk is on the rise thanks to climate change, and states are looking to identify hazards
Washington — home to deadliest landslide in U.S. history — is working to prevent future loss of life by scanning the state for new threats.
Posted inJune 1, 2022: A Legacy of Weapons and War
Who’s after rare metals in the Klamath Mountains?
While the region has a small cache of tellurium, politics and economics are in the way.