NASA Goes with “Option B” for Future Asteroid Redirect Mission

The Asteroid Redirect Vehicle, part of NASA’s Asteroid Initiative concept, is shown traveling to lunar orbit using its solar electric propulsion system in this artist’s concept. Image credit: NASA

Asteroids are getting a lot of attention, today in particular, because asteroid 2014 YB35 will be coming within 0.03 Astronomical Units (AU) of Earth. There [...]