Science ❯ Biology ❯ Zoology ❯ Paleontology

Fossils

Famed ‘Oldest Octopus’ Fossil Reclassified as a Nautiloid

Synchrotron scans revealed nautiloid teeth that push octopus origins into the Jurassic.

New Study Finds T. Rex Reached Full Size Around Age 40

New Study Recasts Dunkleosteus as Cartilage-Heavy, Shark-Like Oddball

Hornless ‘Arctic Rhino’ Identified in Canada’s High Arctic Challenges Long-Held Dispersal Timeline

Scientists Describe Kostensuchus Atrox, a Dinosaur‑Eating Croc Relative From Patagonia

Oldest Ankylosaur Revealed With Meter-Long Neck Spikes and Early Tail Weapon

Scientists Name Shark-Like Oligocene Whale Janjucetus dullardi

Giant Caiman Tooth Marks Reveal Terror Bird’s Fatal Encounter in Miocene Colombia