A new study identifies frozen water just below the Martian surface, where astronauts could easily dig it up.

NASA spacecraft at Mars are going to be on their own for a few weeks when the Sun comes between Mars and Earth, interrupting communications.

For the first time, NASA's Mars Odyssey orbiter has caught the Martian moon Phobos during a full moon phase. Each color in this new image represents a temperature range detected by Odyssey's infrar...