May 11, 2020 updates Posted on May 13, 2020June 28, 2020 by Doug Loss What is the Oxygen Isotope Composition of Venus? The Scientific Case for Sample Return from Earth’s “Sister” Planethttps://link.springer.com/article/10.1007/s11214-020-00669-8 What horticulture and space exploration can learn from each other: The Mission to mars initiative in the Netherlandshttps://www.sciencedirect.com/science/article/abs/pii/S0094576520302988 World ships: Feasibility and Rationalehttps://arxiv.org/abs/2005.04100