asteroid

(Newser) - This morning NASA launched a spacecraft that's headed to the asteroid belt, where it will get a close-up look at the belt's largest bodies, asteroid Vesta and the dwarf planet Ceres.  It's NASA’s first multi-target mission, and Dawn, which one engineer called “the first real interplanetary spaceship,...

(Newser) - Astronomers are preparing to send a probe to investigate an asteroid that in 2029 will pass closer to Earth than communications satellites do. The mission would gather information on the 1,000-foot-wide rock to figure out whether it poses a serious danger the next time it passes Earth in 2036.