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  <lastmod>2026-07-17T16:22:48Z</lastmod>
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  <lastmod>2026-07-16T15:07:46Z</lastmod>
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  <loc>https://astrobiology.com/2026/07/16/planets-orbiting-barnards-star-seem-to-be-small-strange-and-utterly-uninhabitable/</loc>
  <lastmod>2026-07-16T15:03:53Z</lastmod>
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   <news:title>Planets Orbiting Barnard’s Star Seem To Be Small, Strange, And Utterly Uninhabitable</news:title>
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  <loc>https://astrobiology.com/2026/07/16/experimental-astrochemistry-and-machine-learning-unravel-the-formation-of-oxygen-bearing-organic-molecules-in-extraterrestrial-ices/</loc>
  <lastmod>2026-07-16T15:00:25Z</lastmod>
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   <news:title>Experimental Astrochemistry And Machine Learning Unravel The Formation Of Oxygen-bearing Organic Molecules In Extraterrestrial Ices</news:title>
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  <loc>https://astrobiology.com/2026/07/16/bacteria-form-herds-to-survive-predators-offering-fresh-insight-into-earths-carbon-cycle/</loc>
  <lastmod>2026-07-16T14:57:12Z</lastmod>
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   <news:title>Bacteria Form Herds To Survive Predators, Offering Fresh Insight Into Earth&amp;#039;s Carbon Cycle</news:title>
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  <loc>https://astrobiology.com/2026/07/16/webb-discovers-a-hidden-planet-in-the-beta-pictoris-star-system/</loc>
  <lastmod>2026-07-16T14:53:21Z</lastmod>
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    <news:name>Astrobiology</news:name>
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   <news:title>Webb Discovers A Hidden Planet In The Beta Pictoris Star System</news:title>
   <news:publication_date>2026-07-16T14:53:19Z</news:publication_date>
   <news:genres>Blog</news:genres>
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  <loc>https://astrobiology.com/2026/07/16/discovery-oxygenic-photosynthesis-is-possible-with-only-one-photosystem/</loc>
  <lastmod>2026-07-16T14:47:58Z</lastmod>
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  <loc>https://astrobiology.com/2026/07/16/perseverance-rover-provides-a-record-of-ancient-mars-impacts/</loc>
  <lastmod>2026-07-16T14:40:35Z</lastmod>
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    <news:name>Astrobiology</news:name>
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   <news:title>Perseverance Rover Provides A Record of Ancient Mars Impacts</news:title>
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  <lastmod>2026-07-16T14:30:38Z</lastmod>
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  <loc>https://astrobiology.com/2026/07/16/supernova-neutrinos-and-the-origin-of-biomolecular-homochirality/</loc>
  <lastmod>2026-07-16T14:27:20Z</lastmod>
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    <news:name>Astrobiology</news:name>
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  <lastmod>2026-07-16T14:22:31Z</lastmod>
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