Drake-like Calculations for the Frequency of Life in the Universe
https://www.mdpi.com/2409-9287/6/2/49/htm
Worldship and self replicating systems
https://i4is.org/wp-content/uploads/2021/06/Worldship-and-self-replicating-systems-Principium32-print-2102221659-opt.pdf
Space ML
http://www.spaceml.org/
Radio interference reduction in interstellar communications: methods and observations
https://arxiv.org/abs/2106.10168
The Occurrence-weighted Median Planets Discovered by Transit Surveys Orbiting Solar-type Stars and Their Implications for Planet Formation and Evolution
https://arxiv.org/abs/2106.09725
Polarimetric Signature of Ocean as Detected by Near-Infrared Earthshine Observations
https://arxiv.org/abs/2106.10099
An analytical model for tidal evolution in co-orbital systems I. Application to exoplanets
https://arxiv.org/abs/2106.10186