Hawaii's Kilauea volcano is erupting again in spectacular fashion, sending lava shooting 1,000 feet into the sky, according ...

The image, captured by NASA ’s Mars Odyssey orbiter, is the first of its kind: a volcano on the Red Planet seen on the ...

Why it's incredible: Taal Lake has an island that contains a lake that contains an island. Taal Lake is a volcanic crater lake in the Philippines with a rare geology of nested islands and water.

People from cultures across the world have been looking at Mars since ancient times. Because it appears reddish, it has often ...