NASA's Dawn spacecraft successfully completed the first test of its ion propulsion system over the weekend.
NASA's Dawn spacecraft is on its way to study a pair of asteroids after lifting off Thursday from the Cape Canaveral Air Force Station.
NASA's Dawn spacecraft began its 3 billion kilometer (1.7 billion mile) journey through the inner solar system to study a pair of asteroids Thursday.
12.18.07 - NASA's Dawn spacecraft has successfully completed the initial checkout phase of the mission and begun its interplanetary cruise phase.
10.29.07 - NASA's Dawn spacecraft successfully completed the first test of its ion propulsion system over the weekend.