A Thought Experiment Relevant to the Fermi Paradox
https://geopolicraticus.wordpress.com/2018/04/21/a-thought-experiment-relevant-to-the-fermi-paradox/

Exoplanet Biosignatures: A Framework for Their Assessment
https://www.liebertpub.com/doi/10.1089/ast.2017.1737

Woodpeckers and Diamonds: Some Aspects of Evolutionary Convergence in Astrobiology
https://www.liebertpub.com/doi/10.1089/ast.2017.1741

An Accurate Mass Determination for Kepler-1655b, a Moderately Irradiated World with a Significant Volatile Envelope
http://iopscience.iop.org/article/10.3847/1538-3881/aab8f3

Observational Techniques With Transiting Exoplanetary Atmospheres
https://arxiv.org/abs/1804.07357

A universal spin-mass relation for brown dwarfs and planets
https://arxiv.org/abs/1804.07380

Analyzing astronomical data with Apache Spark [not specifically interstellar-oriented, but useful in analysis] https://arxiv.org/abs/1804.07501

The Breakthrough Listen Search for Intelligent Life: 1.1-1.9 GHz observations of 692 Nearby Stars
https://arxiv.org/abs/1709.03491