An Ionic Limit to Life in the Deep Subsurface by Samuel J. Payler, Jennifer F. Biddle, Barbara Sherwood Lollar, Mark G. Fox-Powell, Thomas Edwards, Bryne T. Ngwenya, Sean M. Paling, Charles S. Cockell

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Modeling Virus and Bacteria Populations in Europa’s Subsurface Ocean by Adriana C. Gomez-Buckley, Gordon M. Showalter, Michael L. Wong

Subjects: “…astrobiology…”
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Microbes from Brine Systems with Fluctuating Salinity Can Thrive under Simulated Martian Chemical Conditions by Matthew Kelbrick, James A. W. Oliver, Nisha K. Ramkissoon, Amy Dugdale, Ben P. Stephens, Ezgi Kucukkilic-Stephens, Susanne P. Schwenzer, André Antunes, Michael C. Macey

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Inferring the Rate of Technosignatures from 60 yr of Nondetection by Claudio Grimaldi

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Mission Architecture to Characterize Habitability of Venus Cloud Layers via an Aerial Platform by Rachana Agrawal, Weston P. Buchanan, Archit Arora, Athul P. Girija, Maxim De Jong, Sara Seager, Janusz J. Petkowski, Sarag J. Saikia, Christopher E. Carr, David H. Grinspoon, James M. Longuski, on behalf of Venus Life Finder Mission Team

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Constraining Background N2 Inventories on Directly Imaged Terrestrial Exoplanets to Rule Out O2 False Positives by Sawyer Hall, Joshua Krissansen-Totton, Tyler Robinson, Arnaud Salvador, Jonathan J. Fortney

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Telomere length dynamics in response to DNA damage in malaria parasites by Jake Reed, Laura A. Kirkman, Björn F. Kafsack, Christopher E. Mason, Kirk W. Deitsch

Subjects: “…astrobiology…”
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Mass extinction and the structure of the milky way by Filipović M.D., Horner J., Crawford E.J., Tothill N.F.H., White G.L.

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Evolution of Realistic Organic Mixtures for the Origins of Life through Wet–Dry Cycling by Kiernan Foster, Brooke Hillman, Vahab Rajaei, Kimsorn Seng, Sarah Maurer

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Robust Archaeal and Bacterial Communities Inhabit Shallow Subsurface Sediments of the Bonneville Salt Flats by Julia M. McGonigle, Jeremiah A. Bernau, Brenda B. Bowen, William J. Brazelton

Subjects: “…astrobiology…”
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Screening Earth Analog Exoplanets on the Basis of a Predicted Nitrogen over Phosphorus Ratio by Hervé Toulhoat

Subjects: “…Astrobiology…”
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Cosmology and Hilbert's sixth problem by Ćirković Milan M.

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Multibeam Blind Search of Targeted SETI Observations toward 33 Exoplanet Systems with FAST by Xiao-Hang Luan, Zhen-Zhao Tao, Hai-Chen Zhao, Bo-Lun Huang, Shi-Yu Li, Cong Liu, Hong-Feng Wang, Wen-Fei Liu, Tong-Jie Zhang, Vishal Gajjar, Dan Werthimer

Subjects: “…Astrobiology…”
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Defining Lyfe in the Universe: From Three Privileged Functions to Four Pillars by Stuart Bartlett, Michael L. Wong

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A potential survival strategy during the late heavy bombardment by von Hegner I.

Subjects: “…astrobiology…”
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Titanite Mineralization of Microbial Bioalteration Textures in Jurassic Volcanic Glass, Coast Range Ophiolite, California by Matthew R. M. Izawa, Matthew R. M. Izawa, Neil R. Banerjee, John W. Shervais, Roberta L. Flemming, Callum J. Hetherington, Karlis Muehlenbachs, Cynthia Schultz, Debarati Das, Barry B. Hanan

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On the Evolution of the Biological Framework for Insight by Claudio Neidhöfer

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Is Life an Unavoidable Consequence of the Formation of the Universe? Investigating the Formation of Bio-Precursors and the Signature of Earth-Like Living Forms by Ana I. Gomez de Castro

Subjects: “…astrobiology…”
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Orbital Stability and Secular Dynamics of the Proxima Centauri Planetary System by Joseph R. Livesey, Rory Barnes, Russell Deitrick

Subjects: “…Astrobiology…”
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Signal Synchronization Strategies and Time Domain SETI with Gaia DR3 by Andy Nilipour, James R. A. Davenport, Steve Croft, Andrew P. V. Siemion

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