Based on extensive primary sources, many never previously translated into English, this is the definitive account of the origins of Ceres as it went from being

Dawn is the first mission to orbit a main belt asteroid and the first scientific mission to use ion propulsion. Major objectives of this mission include mapping

Two hundred years after the first asteroid was discovered, asteroids can no longer be considered mere points of light in the sky. Spacecraft missions, advanced

The Neptune File tells the story of the gifted mathematician John Couch Adams and the discovery of the planet Neptune in 1846. Combining scientific triumph with