Astrobiology

Astrobiological Potential of Venus Atmosphere Chemical Anomalies and Other Unexplained Cloud Properties
Petkowski et al. – preprint

Distinguishing oceans of water from magma on mini-Neptune K2-18b
Shorttle et al. – preprint

An information theory approach to identifying signs of life on transiting planets
Vannah et al. – Monthly Notices of the Royal Astronomical Society: Letters

Astrophysics

A radius valley between migrated steam worlds and evaporated rocky cores
Burn et al. – preprint

Setting the stage for the search for life with the Habitable Worlds Observatory: Properties of 164 promising planet survey targets
Harada et al. – preprint

FlopPITy: Enabling self-consistent exoplanet atmospheric retrievals with machine learning
Martínez et al. – preprint

Weakened Magnetic Braking in the Exoplanet Host Star 51 Peg
Metcalfe et al. – The Astrophysical Journal Letters

Are we visible to advanced alien civilizations?
Osmanov – Acta Astronautica

Biology

The geologic history of primary productivity
Crockford et al. – Current Biology

Chemistry

Meteorite Parent Body Aqueous Alteration Simulations of Interstellar Residue Analogs
Qasim et al. – ACS Earth and Space Chemistry

Cosmology

Is it possible to know cosmological fine-tuning?
Díaz-Pachón et al. – preprint

Microbiology

Environment and taxonomy shape the genomic signature of prokaryotic extremophiles
Arias et al. – Scientific Reports

Single-cell analysis in hypersaline brines predicts a water-activity limit of microbial anabolic activity
Paris et al. – Science Advances

Generation of long-chain fatty acids by hydrogen-driven bicarbonate reduction in ancient alkaline hydrothermal vents
Purvis et al. – Communications Earth & Environment

Network studies unveil new groups of highly divergent proteins in families as old as cellular life with important biological functions in the ocean
Sussfeld et al. – preprint

Planetary science

Accretion of the earliest inner Solar System planetesimals beyond the water snowline
Grewal et al. – Nature Astronomy