Posted on July 7, 2018 by Generation MarsSample return “But why go to all this trouble?” Didn’t Mallory already answer questions like this back in 1923? What’s the benefit of sample return? With Hayabusa2 at Ryugu and OSIRIS-REx closing on Bennu, it’s the summer of sample return. Why do scientists go to so much trouble for a piece of a… The Planetary Society