Astrobiology

TRAPPIST-1 and its compact system of temperate rocky planets
Gillon – preprint

Detection and chemical modelling of complex prebiotic molecule cyanamide in the hot molecular core G31.41+0.31
Manna et al. – preprint

Microstructural and chemical features of impact melts on Ryugu particle surfaces: Records of interplanetary dust hit on asteroid Ryugu
Matsumoto et al. – Science Advances

Sub-Diurnal Methane Variations on Mars Driven by Barometric Pumping and Planetary Boundary Layer Evolution
Ortiz et al. – Journal of Geophysical Research: Planets

Mars 2020 Perseverance rover studies of the Martian atmosphere over Jezero from pressure measurements
Sánchez-Lavega et al. – Journal of Geophysical Research: Planets

Inner Edge Habitable Zone Limits Around Main Sequence Stars: Cloudy Estimates
Windsor et al. – preprint

JWST observations of K2-18b can be explained by a gas-rich mini-Neptune with no habitable surface
Wogan et al. – preprint

Inferring chemical disequilibrium biosignatures for Proterozoic Earth-like exoplanets
Young et al. – Nature Astronomy

Biochemistry

Influence of the Weak Nuclear Force on Metal-Promoted Autocatalytic Strecker Synthesis of Amino Acids: Formation of a Chiral Pool of Precursors for Prebiotic Peptide and Protein Synthesis
Cowan – Life (Basel, Switzerland)

Constraints on the Emergence of RNA through Non-Templated Primer Extension with Mixtures of Potentially Prebiotic Nucleotides
Jia et al. – preprint

From the RNA-Peptide World: Prebiotic Reaction Conditions Compatible with Lipid Membranes for the Formation of Lipophilic Random Peptides in the Presence of Short Oligonucleotides, and More
Lopez et al. – Life (Basel, Switzerland)

Oxazolone mediated peptide chain extension and homochirality in aqueous microdroplets
Qiu et al. – Proceedings of the National Academy of Sciences

Biology

Phylogenomic insights into the first multicellular streptophyte
Bierenbroodspot et al. – Current Biology

Aspects of the biological carbon cycle in a ca. 3.42-billion-year-old marine ecosystem
Reinhardt et al. – Precambrian Research

Chemistry

Effects of Activation Barriers on Quenching to Stabilize Prebiotic Chemical Systems
Sheng et al. – Life (Basel, Switzerland)

Geobiology

Biogeochemical explanations for the world’s most phosphate-rich lake, an origin-of-life analog
Haas et al. – Communications Earth & Environment

The influence of silica on reaction rates and molecular hydrogen (H2) generation during olivine hydrothermal alteration
Huang et al. – Science China Earth Sciences

Aspects of the biological carbon cycle in a ca. 3.42-billion-year-old marine ecosystem
Reinhardt et al. – Precambrian Research

Mathematical biology

Emergence of metabolic-like cycles in blockchain-orchestrated reaction networks
Roszak et al. – Chem

Microbiology

1.63-billion-year-old multicellular eukaryotes from the Chuanlinggou Formation in North China
Miao et al. – Science Advances

Double-stranded RNA sequencing reveals distinct riboviruses associated with thermoacidophilic bacteria from hot springs in Japan
Urayama et al. – Nature Microbiology