Astrobiology

A robust, agnostic molecular biosignature based on machine learning
Cleaves et al. – Proceedings of the National Academy of Sciences

Living with a Red Dwarf: X-ray, UV, and Ca II Activity-Age Relationships of M Dwarfs
Engle – preprint

A Complex Systems Approach to Exoplanet Atmospheric Chemistry: New Prospects for Ruling Out the Possibility of Alien Life-As-We-Know-It
Fisher et al. – preprint

Remote Laser-Induced Breakdown Spectroscopy of Bacterial Growths in Carbonate Rocks in a Mars-like Atmosphere
García-Gómez et al. – Astrobiology

The Call for a New Definition of Biosignature
Gillen et al. – Astrobiology

Life detection in a universe of false positives
Smith et al. – BioEssays

“Incredible” asteroid sample ferried to Earth is rich in the building blocks of life
Witze – Nature

Astrophysics

Characterizing the Near-infrared Spectra of Flares from TRAPPIST-1 During JWST Transit Spectroscopy Observations
Howard et al. – preprint

Biochemistry

Metal Ions Turn on a Stereoselective Nonenzymatic Reduction of Keto Acids by the Coenzyme NADH
Mayer et al. – preprint

Biophysics

Chiral and nematic phases of flexible active filaments
Dunajova et al. – Nature Physics

Channel capacity of the ribosome
Inafuku et al. – Physical Review E

Chirality-induced avalanche magnetization of magnetite by an RNA precursor
Ozturk et al. – Nature Communications

Microbiology

Serpentinization as the source of energy, electrons, organics, catalysts, nutrients and pH gradients for the origin of LUCA and life
Schwander et al. – Frontiers in Microbiology

Planetary sciences

3D simulations of the Archean Earth including photochemical haze profiles
Mak et al. – preprint