Learn more about the Earth's dramatic landforms, from the tops of majestic mountains to the depths of mysterious caves and everything in between.
More About the Surface of the Earth
An intrepid team of explorers broke the depth record in Krubera—the world's deepest cave. They'd barely gotten home before a second team went deeper.
Salty spring-fed lakes, towering sand dunes, and the ghosts of an ancient walled city lie at the heart of China's remote Alashan Plateau in the Gobi.
Call it the greatest shoal on Earth. Cold and warm waters surge together off the coast of South Africa to create rich marine ecosystems and a billion sardines on the move.
Drought drains Lake Powell—uncovering the glory of Glen Canyon.
Phenomena: A Science Salon
National Geographic Magazine
Our genes harbor many secrets to a long and healthy life. And now scientists are beginning to uncover them
All the elements found in nature—the different kinds of atoms—were found long ago. To bag a new one these days, and push the frontiers of matter, you have to create it first.
Burn natural gas and it warms your house. But let it leak, from fracked wells or the melting Arctic, and it warms the whole planet.