Scientists found that an asteroid impact carved two massive canyons on the moon in minutes. High-speed debris helped shape ...

Iceland has seen some major volcanic activity in the last couple of years. Travel expert Rick Steves has some advice for ...

What FACTS ABOUT ROCKS do you know? They are abundant on earth, and yet little is known about them. These facts will increase your knowledge of the rocks.

Pinnacle Rock (lower left) and Black Rock (upper right) outcrop at the summit of Black Oak Mountain. The Pinnacle Rock formation also extends far outside the boundary of the park, reaching more than ...

An igneous rock has come to be regarded, more constantly than before, not merely as a mineral-aggregate, but as-the product of consolidation of a molten rock-magma; and consideration has been ...

Pictured Rocks National Lakeshore wants the public to know ice formations that build annually along the cliffs that highlight the park area taking shape with recent cold weather. Photos of the ice ...