NASA’s Dawn spacecraft successfully completed the first test of its ion propulsion system over the weekend. The system is vital to the success of Dawn’s 8-year, 1.6 billion-kilometer (3-billion-mile) ...

You can watch live streaming images of the planet coming from the probe on two websites. If you missed the broadcast you can now replay it in full at the same links. The video source site is the Slooh ...

The spacecraft Dawn was launched in 2007. The Dawn mission was designed to study two large bodies in the asteroid belt in order to answer questions about the formation of the Solar System, as well as ...

NASA's Dawn probe is gearing up to depart the giant asteroid Vesta next week and begin the long trek to the dwarf planet Ceres, the largest object in the asteroid belt. The Dawn spacecraft is slated ...

This story was updated at 4:26 p.m. EDT. A NASA spacecraft orbiting the huge asteroid Vesta has suffered a glitch last week, but mission controllers say it will not affect plans for its upcoming trip ...

NASA’s Dawn probe broke free of the pull of gravity from the asteroid Vesta early Sept. 5 and re-entered orbit around the Sun as its low-thrust xenon-ion propulsion system moves it on to the dwarf ...

NASA’s Dawn spacecraft has become the first mission to achieve orbit around a dwarf planet. The spacecraft was approximately 38,000 miles (61,000) kilometers from Ceres when it was captured by the ...

NASA's Dawn spacecraft has been sending back images of the dwarf planet Ceres for several months now, but the latest are the clearest ones to date. Dawn entered close orbit of Ceres back on March 6th.