Coverage dated November 2, 2026 to November 6, 2026

This may be the best evidence yet that dinosaur blood can fossilize

Headline from Science News

Imaging and chemical analysis of a 115-million-year-old dinosaur fossil points to blood cells. But some aren't convinced.

Science News's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Reports & sources

14 articles, oldest first.

  1. Independent Journal Review

    115-Million-Year-Old Fossil Yields Possible Blood-Cell Evidence (opens Independent Journal Review)

    Published

    Independent Journal Review's feed description

    Researchers report finding mineralized structures resembling red blood cells and chemical traces of heme in the 115-million-year-old leg bone of a Brazilian Aratasaurus, evidence that could expand studies of dinosaur biology and fossil preservation.

  2. Phys

    Dinosaur blood—oldest discovery rewrites what fossils can reveal about the past (opens Phys)

    Published

    Phys's feed description

    An international research team led by Curtin University has for the first time uncovered unequivocal evidence of fossilized red blood cells and amino acids of collagen, reshaping our understanding of fossil preservation and molecular longevity in deep time.

  3. New Atlas

    Incredible discovery of fossilized blood cells inside a dinosaur leg bone (opens New Atlas)

    Published

    New Atlas's feed description

    A dinosaur that breathed its last breath in the middle of the Cretaceous may have left behind more than a mould of its bones, with a study reporting the astonishing discovery of mineralized blood cells inside the theropod’s 115-million-year-old remains.

  4. Science Alert

    Dinosaur Blood Cells Detected in 115-Million-Year-Old Fossil (opens Science Alert)

    Published

    Science Alert's feed description

    We've found plenty of dinosaur bones. We've found their teeth, skin, feathers, eggs, and even...

  5. The Guardian

    Fossilised red blood cells found in 115m-year-old dinosaur’s bone, say scientists (opens The Guardian)

    Published

    The Guardian's feed description

    Chemical tests on Aratasaurus bone identify presence of heme, the organic compound that allows haemoglobin in blood to carry oxygen around body It could be the opening of a Jurassic Park rip-off: scientists examining ancient dinosaur bones find what appear to be fossilised red blood cells, and trace…

  6. Live Science

    Traces of ancient blood found in 115 million-year-old dinosaur fossil, new study claims (opens Live Science)

    Published

    Live Science's feed description

    Chemical signatures found in a Brazilian dinosaur bone may be preserved red blood cells, a new study suggests, but not all experts agree.

  7. KEYT Santa Barbara

    Scientists say they’ve found the strongest evidence yet of red blood cells in a dinosaur bone (opens KEYT Santa Barbara)

    Published

    KEYT Santa Barbara's feed description

    By Taylor Nicioli, CNN (CNN) — Traces of prehistoric blood could reveal unprecedented clues about dinosaur biology, but they’ve been notoriously difficult to confirm. Now, researchers studying a 115 million-year-old dinosaur bone say they’ve found the strongest evidence yet of red blood cells in a f…

  8. ZME Science

    Echoes of Jurassic Park: Scientists Found Traces of Blood Inside a 115-Million-Year-Old Dinosaur Bone (opens ZME Science)

    Published

    ZME Science's feed description

    The findings could reveal a hidden world of prehistoric biology.

  9. Science News

    This may be the best evidence yet that dinosaur blood can fossilize (opens Science News)

    Published

    Science News's feed description

    Imaging and chemical analysis of a 115-million-year-old dinosaur fossil points to blood cells. But some aren't convinced.

Identical headlines usually mean shared wire copy. They are counted as separate articles but are not independent confirmation.

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