1. Green, J. et al. Nature 598, 575–579 (2021).
2. Lenardic, A., Seales, J., Moore, W. B. & Jellinek, A. M. Nat. Astron. 7, 1009 (2023).
3. Meadows, V. et al. Preprint at https://arxiv.org/abs/2210.14293 (2022).
4. National Academies of Sciences, Engineering, and Medicine Independent Review of the Community Report from the Biosignature Standards of Evidence Workshop: Report Series—Committee on Astrobiology and Planetary Sciences (CAPS) (The National Academies Press, 2022).
5. National Academies of Sciences, Engineering, and Medicine Origins, Worlds, and Life: A Decadal Strategy for Planetary Science and Astrobiology 2023–2032 (The National Academies Press, 2022).