Role of Sample Return in Addressing Major Questions in Planetary Sciences

Preface (replaces Editorial)Accretion of the Earth - Missing Components?Oxygen Isotopes and Sampling of the Solar SystemRevolutionizing our Understanding of the Solar System via Sample Return from MercuryWhat is the oxygen isotope composition of Venus? The scientific case for sample return from Earth's "sister" planetConstraining the evolutionary history of the Moon and the inner Solar System: A case for new returned lunar samplesThe non-carbonaceous-carbonaceous meteorite dichotomyExploring the bimodal Solar System via sample return from the main asteroid belt: The case for revisiting CeresConcepts of the small body sample return missions - The 1st 10 Ma year evolution of the solar systemOrganic matter in the Solar System - implications for future on-site and sample return missions    The Importance of Phobos Sample Return for Understanding the Mars-moon SystemExploring Mars with Returned SamplesSample collection and return from Mars: Optimising sample collection based on the microbial ecology of terrestrial volcanic environmentsConcerns of organic contamination for sample return space missionsAdvanced Curation of Astromaterials for Planetary Science