Mineralized “structures” discovered in the bone were the fossilized remains of red blood cells, according to a recent study.

The dinosaur’s name means “born of fire.” Paleontologists who described Aratasaurus museunacionali in 2020 combined the Tupi ...

Soft tissues like blood generally break down relatively quickly after death. Environmental factors can also produce red blood ...

A dinosaur that breathed its last breath in the middle of the Cretaceous may have left behind more than a mould of its bones, ...

An artist's impression of Aratasaurus museunacionali. (Maurilio Oliveira/CC BY 4.0) We've found plenty of dinosaur bones. We've found their teeth, skin, feathers, eggs, and even their poop. And now, ...

A new study found chemical evidence of red blood cells in a 115 million-year-old dinosaur bone, offering new clues about how biological material can survive.

A 115-million-year-old fossil dinosaur bone encased in a dense mat of microbes found in Brazil contains tiny structures resembling red blood cells, and molecular traces of blood. Along with colleagues ...

Researchers report heme-related chemistry in a Brazilian dinosaur fossil, but the findings concern mineralised remains, not ...

A research team including members from the Nagoya Institute of Technology has developed molecules that suppress fungal growth ...