Science ❯ Biology ❯ Paleontology

Fossil Record

Upper Cretaceous Hominin Evolution Late Cretaceous Sabre-Toothed Tigers Extinct Species Hominin Fossils Khankhuuluu mongoliensis Tyrannosaur Diversity Chiniquodon theotonicus Dinosaur Fossils Fossilized Trees Cretaceous Period Early Amphibians Jurassic Period Early Human Species

6 ARTICLES

last wk.

Study Finds Possible 236-Million-Year-Old Evidence of Live Birth in Mammal Ancestor

If confirmed, the bone microstructure and size estimates in a Chiniquodon specimen could move the origin of mammalian-style live birth tens of millions of years earlier pending more fossil proof.

8 ARTICLES

3mo ago

Bipedalism and Brain Expansion Explain Why Most Humans Are Right‑Handed

22 ARTICLES

last yr.

Khankhuuluu mongoliensis Reveals Tyrannosaur Ancestor of T. Rex