For long stretches of the Pleistocene, ice covered vast areas of North America, northern Europe and Asia. When the glaciers finally withdrew,...
The Bonneville Salt Flats are one of the flattest places on Earth — a blinding white plain where the curvature of the...
Drive across the Great Basin today and you cross a landscape of dry valleys, white salt pans and pale benches cut into...
Deep time is the vast, almost incomprehensible span of the Earth's history — measured not in years but in millions and tens...