Smaller quakes from secondary faults—which are not included in national seismic hazard modeling—occur more frequently than ...

In the fourth episode of our Stones & Bones video series, National Geographic digital editor Nicholas St. Fleur examines the ...

Coincident with the rise of the dinosaurs, a large landmass filled most of the Arctic circle, potentially contributing to ...

Ever wonder what’s lurking inside the mountains you drive past every day? At Linville Caverns in Marion, the answer involves ...

So there you have it: a hidden rock labyrinth right here in Virginia that feels like stepping into another world, complete with towering boulders, narrow passages, and enough natural beauty to fill ...

Beneath East Africa’s Turkana Rift, scientists have found the crust is thinning to a critical point, suggesting the continent ...

Stand at the South Rim of the Grand Canyon and look down. The banded rock walls dropping nearly a mile to the Colorado River ...

A new study suggests a proto–Colorado River filled a large basin before spilling westward to set the Grand Canyon’s modern ...

Intensifying wildfires across the continent are spewing air pollution, putting human health at risk, particularly Americans ...

Thirty-four million years ago, Antarctica was not yet the frozen continent we know. Forests still clung to its margins, and warm ocean water lapped against its coasts. Then something shifted. Tectonic ...

From above, the White Mountains in New Hampshire look like the jagged spine of an ancient reptile. When the last Ice Age had the area in its grip 12,000 years ago, massive glaciers buffed the ...

Abstract: The research paper presents a comprehensive geographic information model that could handle analysis of forest lands within a defined geographical area and time boundaries; developed software ...