The University of Edinburgh is a UK research university whose astronomy and astrobiology groups partner with Cornell’s carl-sagan-institute on exoplanet biosignature work. Beth Biller (direct-imaging / exoplanet atmospheres) and Sean McMahon (astrobiology / geobiology) co-authored the 2026 mineral-false-positives paper with first author Mia Belle Parkinson and lisa-kaltenegger (src-mineral-false-positives-biosignatures-2026-05).