September 17, 2020 updates Posted on September 17, 2020 by Doug Loss A giant planet candidate transiting a white dwarf https://www.nature.com/articles/s41586-020-2713-y The White Dwarf Opportunity: Robust Detections of Molecules in Earth-like Exoplanet Atmospheres with the James Webb Space Telescope https://iopscience.iop.org/article/10.3847/2041-8213/aba9d3 Exploration of trans-Neptunian objects using the Direct Fusion Drive https://www.sciencedirect.com/science/article/abs/pii/S0094576520305610 Abundant atmospheric methane from volcanism on terrestrial planets is unlikely and strengthens the case for methane as a biosignature https://arxiv.org/abs/2009.07761 On The Biomass Required To Produce Phosphine Detected In The Cloud Decks Of Venus https://arxiv.org/abs/2009.07835