Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very similar to classic river deltas on Earth. These are traces of rivers that ...

Neptune, long believed to be dark blue, is actually very pale like Uranus, scientists say. They used modern telescopes to re-assess artificially enhanced images taken by NASA's Voyager 2 probe. We can ...

Ever seen a sunrise from the moon? These space images will leave you marveling at our planet and our universe. Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET.

Led by the University of Bern, the study involved investing Valles Marineris, the largest canyon system on Mars.