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   <news:title>Astrobiologist Dale Andersen’s Antarctic Field Report: 3 November 2026: Digging Out and Packing Before the Traverse to Lake Untersee</news:title>
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  <lastmod>2026-11-04T17:00:08Z</lastmod>
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   <news:title>When Should We Listen for Alien Signals? SETI Institute Scientists Turn to Game Theory.</news:title>
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   <news:title>Cheops Guest Observers Opportunity: JWST/HST Fast Track Proposals</news:title>
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   <news:title>Eyes on Exoplanets Software October Release Notes</news:title>
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  <loc>https://astrobiology.com/2026/11/04/a-mitochondrion-like-ribosome-in-an-insect-endosymbiont/</loc>
  <lastmod>2026-11-04T16:46:50Z</lastmod>
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  <loc>https://astrobiology.com/2026/11/04/the-megawave-radio-surveyor/</loc>
  <lastmod>2026-11-04T16:43:50Z</lastmod>
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   <news:title>The MegaWave Radio Surveyor</news:title>
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  <lastmod>2026-11-04T16:40:38Z</lastmod>
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    <news:name>Astrobiology</news:name>
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  <lastmod>2026-11-04T16:36:15Z</lastmod>
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    <news:name>Astrobiology</news:name>
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   <news:title>A Type Of Arctic Ocean Bacteria May Be Using Acetone To Turn Carbon Into Food</news:title>
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  <lastmod>2026-11-04T16:32:21Z</lastmod>
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    <news:name>Astrobiology</news:name>
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  <lastmod>2026-11-04T16:27:28Z</lastmod>
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   <news:title>Does Topology-Dependent Chemistry Influence the Interstellar PAH Inventory? Insights from the Absence of Cyanotriphenylenes</news:title>
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