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   <news:title>The Tidal Venus Phenomenon: Demographics and Case Studies</news:title>
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   <news:title>Tidal Locking As A Negative Feedback On Earth-like Planetary Dynamos: Consequences For Magnetic Shielding And Habitability</news:title>
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  <loc>https://astrobiology.com/2026/08/20/human-related-microbes-may-survive-moons-south-pole/</loc>
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   <news:title>Extremophiles: Life Resists Chemistry Not Conditions</news:title>
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   <news:title>International Law and the Search for Extraterrestrial Intelligence</news:title>
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  <lastmod>2026-08-20T16:50:15Z</lastmod>
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   <news:title>Looking For TRAPPIST-1 External Planets&amp;#039; Emission In JWST Archival Data</news:title>
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   <news:title>Hydrodynamics Modeling Of The Water Snow Line In Young Protoplanetary Disks With Dust-size-dependent Opacities</news:title>
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  <lastmod>2026-08-20T16:37:38Z</lastmod>
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   <news:title>Atmospheric Reconnaissance of TRAPPIST-1 f with JWST NIRISS SOSS: No Evidence for the Transit Light Source Effect</news:title>
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  <loc>https://astrobiology.com/2026/08/20/meteorite-helps-bridge-the-data-gap-in-the-geologic-history-of-mars/</loc>
  <lastmod>2026-08-20T16:26:35Z</lastmod>
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   <news:title>Meteorite Helps Bridge The Data Gap In the Geologic History Of Mars</news:title>
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  <loc>https://astrobiology.com/2026/08/20/radar-observations-of-europa-in-2011-2024-new-insights-into-radar-scattering-properties/</loc>
  <lastmod>2026-08-20T16:22:27Z</lastmod>
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    <news:name>Astrobiology</news:name>
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   <news:title>Radar Observations Of Europa in 2011-2024: New Insights Into Radar Scattering Properties</news:title>
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  <lastmod>2026-08-20T16:17:28Z</lastmod>
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   <news:title>Metal Deposits Linked To Oceanic Oxygen Loss During Ancient Ice Ages</news:title>
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  <loc>https://astrobiology.com/2026/08/20/metagenomics-deciphers-diagenetic-processes-of-ferruginous-mineralization-in-the-deep-biosphere/</loc>
  <lastmod>2026-08-20T16:08:00Z</lastmod>
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    <news:name>Astrobiology</news:name>
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   <news:title>Metagenomics Deciphers Diagenetic Processes Of Ferruginous Mineralization In The Deep Biosphere</news:title>
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  <loc>https://astrobiology.com/2026/08/19/a-mars-impact-crater-surrounded-by-chunks-of-water-ice/</loc>
  <lastmod>2026-08-19T16:36:45Z</lastmod>
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    <news:name>Astrobiology</news:name>
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   <news:title>A Mars Impact Crater Surrounded By Chunks Of Water Ice</news:title>
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  <loc>https://astrobiology.com/2026/08/19/gaia-dr3-limits-on-stellar-engine-technosignatures-in-nearby-stars/</loc>
  <lastmod>2026-08-19T16:33:37Z</lastmod>
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   <news:title>Gaia DR3 Limits on Stellar Engine Technosignatures in Nearby Stars</news:title>
   <news:publication_date>2026-08-19T16:32:13Z</news:publication_date>
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  <loc>https://astrobiology.com/2026/08/19/catalytic-formation-of-h2-on-carbonaceous-dust-grains-implications-for-interstellar-observations/</loc>
  <lastmod>2026-08-19T16:29:19Z</lastmod>
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    <news:name>Astrobiology</news:name>
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   <news:title>Catalytic Formation of H2 On Carbonaceous Dust Grains - Implications For Interstellar Observations</news:title>
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  <lastmod>2026-08-19T16:24:35Z</lastmod>
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    <news:name>Astrobiology</news:name>
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   <news:title>A High-Resolution Spectroscopic Survey of Directly Imaged Companion Hosts: III. Characterization of the Cold Imaged Planet Hosts AF Lep A and ε Indi A</news:title>
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  <lastmod>2026-08-19T16:17:36Z</lastmod>
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    <news:name>Astrobiology</news:name>
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   <news:title>The Viability of Life in Helium-Dominated Exoplanet Atmospheres</news:title>
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  <lastmod>2026-08-19T16:14:37Z</lastmod>
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    <news:name>Astrobiology</news:name>
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   <news:title>The Enceladian Crater Production Function</news:title>
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  <lastmod>2026-08-19T16:11:08Z</lastmod>
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    <news:name>Astrobiology</news:name>
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   <news:title>A Chemo-dynamical Search For Planet-candidate Hosts Of Possible Extragalactic Origin</news:title>
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  <loc>https://astrobiology.com/2026/08/19/effects-of-pebble-accretion-isolation-mass-on-observable-exoplanet-properties/</loc>
  <lastmod>2026-08-19T16:06:05Z</lastmod>
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    <news:name>Astrobiology</news:name>
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   <news:title>Effects Of Pebble Accretion Isolation Mass On Observable Exoplanet Properties</news:title>
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  <loc>https://astrobiology.com/2026/08/19/synthesis-of-mineral-organic-hybrid-materials-under-dynamic-prebiotic-conditions/</loc>
  <lastmod>2026-08-19T16:07:25Z</lastmod>
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    <news:name>Astrobiology</news:name>
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   <news:title>Synthesis Of Mineral-organic Hybrid Materials Under Dynamic Prebiotic Conditions</news:title>
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  <lastmod>2026-08-19T15:46:07Z</lastmod>
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    <news:name>Astrobiology</news:name>
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   <news:title>JWST/NIRSpec Spectra for Three Ultracool Brown Dwarfs Detected in Extragalactic Surveys: Further Evidence for Phosphine Absorption</news:title>
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