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   <news:title>The Fate of Ice Sheets on Near-Synchronously Rotating Land Planets</news:title>
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  <lastmod>2026-11-02T16:37:45Z</lastmod>
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  <lastmod>2026-11-02T17:45:43Z</lastmod>
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  <lastmod>2026-11-02T17:32:16Z</lastmod>
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   <news:title>Material Cycling Across Earth’s Spheres And Triggers Of Cambrian Explosion: A Tectonic Perspective</news:title>
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  <lastmod>2026-11-02T16:20:38Z</lastmod>
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   <news:title>Metagenomics in Spaceflight: Establishing an Implementation Roadmap</news:title>
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  <lastmod>2026-11-02T16:10:10Z</lastmod>
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    <news:name>Astrobiology</news:name>
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   <news:title>Study Details One of Oldest Mars Meteorites Ever Found</news:title>
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  <lastmod>2026-11-02T16:02:36Z</lastmod>
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   <news:title>Astrochemistry: Dwarf Galaxies Retain Only A Small Fraction Of The Oxygen Made By Their Stars</news:title>
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  <lastmod>2026-11-02T17:27:28Z</lastmod>
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    <news:name>Astrobiology</news:name>
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   <news:title>Solar System Surface Technosignatures: Searching for Signs of Artificial Design on Extraterrestrial Terrain</news:title>
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  <loc>https://astrobiology.com/2026/11/01/ancient-layers-on-mars-exposed-by-a-crater-within-a-crater-in-terra-sirenum/</loc>
  <lastmod>2026-11-01T16:46:57Z</lastmod>
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   <news:title>Ancient Layers On Mars Exposed By A Crater Within A Crater In Terra Sirenum</news:title>
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  <lastmod>2026-11-01T16:44:26Z</lastmod>
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   <news:title>Send Your Name to Titan Aboard NASA’s Dragonfly Astrobiology Mission</news:title>
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  <lastmod>2026-11-01T16:38:43Z</lastmod>
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   <news:title>Comprehensive Visible and Near-infrared Keck and Gemini Monitoring and Characterization of Interstellar Comet 3I/ATLAS during its Encounter with the Solar System</news:title>
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  <lastmod>2026-11-01T16:32:23Z</lastmod>
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   <news:title>ExoVetter and a TESS Exoplanet Transit Search of Kepler Stars as Ground Truth</news:title>
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