The dwarf planet Vesta is helping scientists better understand the earliest era in the formation of our solar system. Two recent papers involving scientists from the University of California, Davis, ...

CNN — A large asteroid could be reclassified as a dwarf planet -- which could make it the smallest in the solar system -- after new research revealed it's shape, astronomers said on Monday. Nestled in ...

These Hubble Space Telescope images of Vesta and Ceres show two of the most massive asteroids in the asteroid belt, a region between Mars and Jupiter. The images are helping astronomers plan for the ...

NASA's Dawn spacecraft departed the asteroid Vesta early yesterday morning en route to a rendezvous with the carbon-rich dwarf planet Ceres in early 2015. The probe quietly entered into orbit around ...

(AP) One asteroid down, one to go. After spending a year gazing at Vesta, NASA’s Dawn spacecraft was set to cruise toward the most massive space rock in the asteroid belt between Mars and Jupiter a ...

Add Yahoo as a preferred source to see more of our stories on Google. On March 29, 1807, the German astronomer Heinrich Olbers discovered the asteroid Vesta. Vesta is the second-largest body in the ...