Learn how fossils form through sedimentation and mineralization. Discover types like moulds, casts, and trace fossils in our ...

A dormant volcano in Ethiopia erupted after 10,000 years of silence. This event shows how the world's little-known volcanoes ...

Yellowstone may be America’s most famous national park, but many park rangers quietly agree that fame does not always equal ...

Yellowstone National Park feels like a living Earth museum, where bubbling geothermal wonders, sweeping valleys full of ...

Imagine how a nation would survive without rivers? They would constantly struggle to do one thing, which is secure enough ...

A young Maasai herder walks with his goats along the road leading to the "Mountain of God" — an active volcano rising near ...

The Coconucos volcanic chain is a mountain ridge dotted with at least 14 volcano craters, including one that is active and ...

This is the latest attempt by Guatemalan scientists to make kids aware that the once-pristine lake is in danger of ‘dying’ ...

Think you’re brave? These 10 claustrophobic hikes in the U.S. feature tight squeezes, narrow canyons, and adrenaline-filled ...

Waterfalls form through various geological processes, but they all involve water flowing over a sudden drop in elevation.