Scientists Confirm 115-Million-Year-Old Dinosaur Blood Molecules Preserved Inside Fossil Bone
Scientists have chemically confirmed ancient blood traces in 115-million-year-old bones of the Brazilian dinosaur Aratasaurus museunacionali. Researchers identified heme signatures and collagen amino acids preserved within mineralized red blood cells, protected by hausmannite after rapid, oxygen-poor burial. The discovery expands molecular paleontology and may guide searches for ancient extraterrestrial life.


