NASA's OSIRIS-REx will land on an asteroid to bring home rocks and dust – if it can avoid Mt. Doom
- Written by Elizabeth Cantwell, Professor of Practice for Aerospace and Mechanical Engineering and Senior Vice President for Research & Innovation, University of Arizona

Imagine parallel parking a 15-passenger van into just two to three parking spaces surrounded by two-story boulders. On Oct. 20, a University of Arizona-led NASA mission 16 years...