Astronomers analyzing data from the now defunct Herschel infrared space observatory have made a huge discovery deep inside the asteroid belt -- Ceres, the largest body in the region, is generating plumes of water vapor. Continue reading →
In new images of Vesta, an unusual, yet beautiful, look at the massive asteroid's mineral history has been made possible.
In a surprise finding, NASA's Dawn spacecraft has discovered the protoplanet is rich in hydrogen, which most likely was delivered by water-bearing meteorites striking the body.
NASA has created a virtual 3D tour of the famous protoplanet.