Week's Best Space Pictures

Week's Best Space Pictures: Ceres' Bright Spots Unmasked

Ocean plankton makes psychedelic swirls, and a volcano awakens for the first time in over a century.

Feed your need for heavenly views of the universe. This week, ancient geologic scars crisscross Mars’ surface, Pluto’s floating mountains get a close-up, and scientists survey the aftermath of a gruesome galactic collision.