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Ryugu sample from Hayabusa2 contains all five canonical nucleobases

Laboratory analysis shows a sample returned by JAXA's Hayabusa2 from asteroid Ryugu contains all five canonical nucleobases — adenine, guanine, cytosine, thymine and uracil — the molecular components of DNA and RNA, providing direct evidence asteroids can carry life's genetic building blocks.

Discovered 2026-03-17T11:12:20.704340-07:00 | 2026-03-17T11:12:20.704340-07:00

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What Hype is tracking

  • Laboratory detection of adenine, guanine, cytosine, thymine and uracil in a returned asteroid sample is direct evidence that asteroids can deliver the core molecular components of DNA/RNA to planetary surfaces.
  • This result expands the inventory of extraterrestrial organics and complements prior findings on asteroid Bennu, refining constraints on prebiotic synthesis and delivery pathways [source:47952652-1814-466c-9424-9ba882b3b55d].

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Live Science sci.news Space.com
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3
First Seen
2026-03-17T11:12:20.704340-07:00
Latest Update
2026-03-19T12:45:19.990716-07:00
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