April 25, 2018 updates Posted on April 25, 2018June 28, 2020 by Doug Loss The potential habitability of TRAPPIST-1—no aliens yet, but a lot of data https://phys.org/news/2018-04-potential-habitability-trappist-1no-aliens-lot.html Debris Disks: Probing Planet Formation https://arxiv.org/abs/1804.08636 Exoplanets: past, present, and future https://arxiv.org/abs/1804.08907 Retired A Stars Revisited: An Updated Giant Planet Occurrence Rate as a Function of Stellar Metallicity and Mass https://arxiv.org/abs/1804.09082 Photometric Follow-up Transit (Primary Eclipse) Observations of WASP-43 b and TrES-3b and A Study on Their Transit Timing Variations https://arxiv.org/abs/1804.09159