Nature rarely does straight lines. If you look at a forest, a rock, or a coastline, you see all sorts of shapes and chaos. But visit the coast of Northern Ireland or the high deserts of Oregon, and ...

GRAND RAPIDS, Mich. (WOOD) — When people think of volcanoes, they don’t typically think of Michigan. But volcanic activity was the driving force behind some of Michigan’s key resources and landmarks.

The Palisades cliffs west of New York City rear up from the Hudson River like the spine of some ancient beast—and that impression is not far off. Their basalt backbone is a remnant of an immense lava ...