If you look closer at the building stones, tiles and pavements of the big city, you can find a hidden world of geology and ...

Millions of years before blue oceans and wandering continents, the Earth in its early days was a molten, tumultuous planet — ...

Planet Earth is a unique place: it's full of unusual things happening every moment. Right now as you're watching this video, ...

The rings of Saturn are among the wonders of our solar system, with a diameter of roughly 175,000 miles (280,000 kilometers) ...

New research reveals that Earth’s continents owe their stability to searing heat deep in the planet’s crust. At more than 900°C, radioactive elements shifted upward, cooling and strengthening the ...

The USGS publishes a geological map that reveals the underground layers of the U.S. and supports environmental education and ...

The planet has been so drastically transformed since in that time, no unmixed trace of the proto-Earth was thought to have ...