Dawn Approaches: Two Faces of Ceres These two views of Ceres were acquired by NASA's Dawn spacecraft on Feb. from a distance of about miles kilometers) as the dwarf planet rotated. The images have been magnified from their original size.
NASA's Mars rover Curiosity has detected Red Planet rocks similar to Earth's oldest continental crust. The discovery suggests that ancient Mars may have been more similar to ancient Earth than previously thought, researchers said.
Photo: Resembling the puffs of smoke and sparks from a summer fireworks display in this image from NASA ESA Hubble Space Telescope, these delicate filaments are actually sheets of debris from a stellar explosion in a neighboring galaxy.
The New Horizon's probe, seen above in this artist's impression, will use miniature cameras, radio science experiment, ultraviolet and infrared spectrometers to study the geology of Pluto and its moon Charon