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Researchers report fossilised blood cell traces in 115-million-year-old Brazilian dinosaur bone

2 Nov 2026, 20:00 UTC · ≈ North-eastern Brazil · single source so far

Scientists analysing hind leg bones of an Aratasaurus from north-eastern Brazil report chemical evidence of heme and what appear to be fossilised red blood cells. The dinosaur lived about 115 million years ago.

Location

≈ North-eastern Brazil · Brazil live map

Coordinates

≈ 7.50°S 39.00°W

Reported

2 Nov 2026, 20:00 UTC

Category

Science & space · Science

Impact

1 of 5 · Watch

Situation

Science discoveries