Artificial life

A Procedure for Testing for Tokyo Type 1 Open-Ended Evolution
Channon – Artificial Life

Astrobiology

Purple is the new green: biopigments and spectra of Earth-like purple worlds
Coelho et al. – Monthly Notices of the Royal Astronomical Society

Is artificial intelligence the great filter that makes advanced technical civilisations rare in the universe?
Garrett – Acta Astronautica

Alien earths: the new science of planet hunting in the cosmos
Kaltenegger – book

Formation of extraterrestrial peptides and their derivatives
Krasnokutski et al. – Science Advances

Prebiotic Vitamin B3 Synthesis in Carbonaceous Planetesimals
Paschek et al. – ChemPlusChem

Astrophysics

Closeby Habitable Exoplanet Survey (CHES). I. Astrometric Noise and Planetary Detection Efficiency due to Stellar Spots and Faculae
Bao et al. – preprint

Biosignatures from pre-oxygen photosynthesising life on TRAPPIST-1e
Eager-Nash et al. – preprint

Exoplanet Detection : A Detailed Analysis
Kaushik et al. – preprint

Biochemistry

Emergence of homochirality via template-directed ligation in an RNA reactor
Laurent et al. – PRX Life

Identifying the Last Universal Common Ancestor′s protein domains resolves the order in which the amino acids were recruited into the genetic code
Wehbi et al. – preprint

Chemistry

Evidence of Selection in Mineral Mediated Polymerization Reactions Executed in a Robotic Chemputer System
Asche et al. – ChemSystemsChem

Investigating and Quantifying Molecular Complexity Using Assembly Theory and Spectroscopy
Jirasek et al. – ACS Central Science

A Surface Hydrothermal Source of Nitriles and Isonitriles
Rimmer et al. – Life

Planetary sciences

The evolutionary divergence of Mars, Venus and Earth
Hamano et al. – preprint

Isotopic evidence of long-lived volcanism on Io
de Kleer et al. – Science