This week we have 17 new papers on the origin of life. Enjoy!

Astrobiology

Kerogen Detection in Neoarchean and Eocene Microbialites via Deep UV Raman and Fluorescence Spectroscopy Using a Scanning Habitable Environments with Raman and Luminescence for Organics and Chemicals Analog Instrument
Corpolongo et al. — Astrobiology

Geochemical Mobility of Elements in Antarctic Environments Affected by CO2-Rich Hydrothermal Fluids: Astrobiological Implications
de Dios-Cubillas et al. — Astrobiology

Tidally Torn: Why the Most Common Stars May Lack Large, Habitable-Zone Moons
Patel et al. — preprint

Molecular diversity as a biosignature
Yoffe et al. — preprint

Astrochemistry

UV irradiation of ethanol-containing interstellar ice analogs: Photostability in CH3CH2OH:CO mixtures
DeVine et al. — preprint

Radical Isomerization upon Dissociative Electron Ionization of Anthracene and Phenanthrene
Patch et al. — Journal of the American Chemical Society

Biochemistry

Ribose at the heart of life
Bhawal — Nature Chemistry

Selection–diversification interplay in oligonucleotide chemical evolution
Kakizaki et al. — Biophysics and Physicobiology

Biology

Phylogenomics unveil a recent origin of morphological complexity in Coleochaetophyceae
Bierenbroodspot et al. — Current Biology

Microbiology

Co-expression of environmental extremophilic genes strongly enhances Escherichia coli cross-protection to abiotic stress
Loera et al. — Extremophiles: Life Under Extreme Conditions

An Asgard archaeon with internal membrane compartments
MacLeod et al. — preprint

Evaporitic Preservation of Modern Carotenoid Biomarkers and Halophilic Microorganisms in Mars Analog Hypersaline Environments
Perl et al. — Astrobiology

Experimental diagenesis reveals preservation of biosignatures in filamentous sulfur mats under hydrothermal conditions
Višić et al. — Scientific Reports

Planetary Sciences

Dust, sand and wind drive slope streaks on Mars
Bickel — Nature Communications

Onset of habitable conditions on the Hadean Earth set by feedback between tides and greenhouse forcing
Dijk et al. — preprint

Isotopic evidence for elevated photorespiration during the last glacial period
Lloyd et al. — Nature Geoscience

Endogenic heat at Enceladus’ north pole
Miles et al. — Science Advances