Oldest Dinosaur Red Blood Cells Found in 115-Million-Year-Old Fossil
Researchers identified fossilized red blood cells and collagen amino acids in an Aratasaurus leg bone from Brazil, challenging previous limits on molecular preservation.
Headline and summary written by an AI model from the linked articles; not reviewed by a person. How this was made
First reported by Phys.org - latest science and technology news stories, 59 min ahead of the next publisher · who breaks stories first
The story so far
3 publishers have covered this in 3 articles since 2 Nov 2026. Phys.org - latest science and technology news stories published first, on 2 November at 19:00 UTC; New Scientist followed 1h 00m later. The most recent article, from The Guardian, appeared on 2 November at 20:00 UTC.
Outlets reporting it: The Guardian (major outlet), Phys.org - latest science and technology news stories, New Scientist.
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How it unfolded
Every source in the order it published.
- Phys.org - latest science and technology news storiesDinosaur blood—oldest discovery rewrites what fossils can reveal about the past
- New ScientistDinosaur red blood cells recovered from 115-million-year-old fossil
- The GuardianFossilised red blood cells found in 115m-year-old dinosaur’s bone, say scientists
Sources
Every article we clustered into this story. Headlines link to the publisher.
- Fossilised red blood cells found in 115m-year-old dinosaur’s bone, say scientists The Guardian ·
- Dinosaur red blood cells recovered from 115-million-year-old fossil New Scientist
- Dinosaur blood—oldest discovery rewrites what fossils can reveal about the past Phys.org - latest science and technology news stories
In this story
- Aratasaurus
- Curtin University
- Brazil