News

Dawn spacecraft moves in for a close-up of Ceres

Entering the last chapter of an eight-year mission, NASA’s Dawn spacecraft is spiraling closer to the dwarf planet Ceres to its final planned orbit less than 235 miles from the icy world, a perch that will furnish fresh data to geologists eager to explain mysterious bright markings that have captivated scientists since the beginning of the year.

Mission Reports

NASA opts to grab a boulder, not the whole asteroid

After an extended review, NASA has opted to forgo capturing a small asteroid as an interim step on the road to sending astronauts to Mars. Instead, the agency will focus on robotically plucking a sizable boulder from the surface of an asteroid and returning it to the vicinity of the moon for analysis by spacewalking astronauts in the mid 2020s.