Mars has captivated humans since we first set ... They also revealed some truly dramatic features: the small world boasts the largest volcanoes in the solar system, and one of the largest canyons ...

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 ...

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