When it's Vesta! On the anniversary of Vesta's discovery day, NASA's Dawn mission celebrates this extraordinary hunk of rock.
In preparation for orbiting Vesta this summer, the spacecraft's camera system and other instruments have successfully awakened from hibernation.
Practice mapping of Vesta produces an animation and still images that show scientists' best guess about the surface and shape of the giant asteroid.
NASA's Hubble Space Telescope has captured images of the large asteroid Vesta that will help refine plans for the Dawn spacecraft's rendezvous with Vesta in July 2011.
Engineers are studying the reaction wheels on NASA's Dawn spacecraft after automatic sensors detected excess friction building up in one of them and powered it off early on the morning of June 17, 2010.
NASA's ion-propelled Dawn spacecraft has eclipsed the record for velocity change produced by a spacecraft's engines.
ASA's Dawn spacecraft re-entered our solar system's asteroid belt today, Nov. 13, and this time it will stay there.
With Mars disappearing in its metaphorical rearview mirror, NASA's Dawn spacecraft's next stop is the asteroid belt and the giant asteroid Vesta.
NASA's Dawn spacecraft shut down its ion propulsion system today as scheduled.
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.
Launch and flight teams are in final preparations for the planned Sept. 27 liftoff from Pad 17-B at Cape Canaveral Air Force Station, Fla., of NASA's Dawn mission.
Launch of NASA's Dawn spacecraft is scheduled for Wednesday, Sept. 26, from Pad 17-B at Cape Canaveral Air Force Station. The launch window is 7:25 to 7:54 a.m. EDT.
The Dawn spacecraft completed the 25-kilometer (15-mile) journey from Astrotech Space Operations in Titusville, Fla., to Pad-17B of the Cape Canaveral Air Force Station at 5:10 a.m. EDT today.
The move will protect launch preparations for the Phoenix mission to Mars.
NASA's Dawn spacecraft, targeted to launch aboard a Delta II rocket on July 7, will be the focus of a media opportunity at 10:30 a.m. Wednesday, June 20, at Astrotech in Titusville, Fla.