NASA’s Dawn spacecraft, which arrived in orbit around the asteroid Vesta in July, has officially begun its yearlong mission to spy on the giant space rock. The probe began studying Vesta from orbit ...

On Saturday, July 16, NASA’s Dawn spacecraft became the first probe to enter orbit around an object in the main asteroid belt between Mars and Jupiter. Dawn will study asteroid Vesta for a year before ...

NASA’s Dawn spacecraft, which launched in 2007, entered orbit around the asteroid Vesta July 16, the U.S. space agency said in a press release. Vesta is located in the main asteroid belt between Mars ...

This image is from the last sequence of images NASA's Dawn spacecraft obtained of the giant asteroid Vesta, looking down at Vesta's north pole as it was departing ...

Four years after launch from Cape Canaveral, NASA's ion-drive Dawn spacecraft is finally in orbit around the asteroid Vesta, studying the second largest body in the rubble-strewn belt between Mars and ...

NASA’s Dawn spacecraft, the first ever to orbit an object in the main asteroid belt, is spiraling toward its first of four intensive science orbits. That initial orbit of the rocky world Vesta begins ...

NASA’s Dawn spacecraft obtained this image of the giant asteroid Vesta with its framing camera on July 24, 2011. It was taken from a distance of about 3,200 miles (5,200 kilometers). Dawn entered ...

(PhysOrg.com) -- NASA's Dawn spacecraft successfully maneuvered into its closest orbit around the giant asteroid Vesta today, beginning a new phase of science observations. The spacecraft is now ...