Science ❯ Geology

Paleoenvironments

Ancient Ecosystems Cretaceous Period Fossil Sites Pleistocene Epoch Ordovician Seas Climate Change Silurian Period Antarctic Ecosystems Miocene Epoch Cave Deposits Paleocene Ecosystems Triassic Period Western Interior Seaway Sediment Analysis Fossil Evidence North America Pliocene

New Species Crocodylus lucivenator, Likely Predator of 'Lucy,' Described From Ethiopia

Based on 121 Hadar fossils, the study places the snout-bossed ambush predator in a distinct East African crocodile lineage.

Mosasaur Tooth Shows Bus-Sized Marine Reptiles Hunted in Cretaceous Rivers

Kenyan Site Reveals 300,000 Years of Early Oldowan Toolmaking

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

Paleontologists Describe North America’s Oldest Pterosaur From Arizona Bonebed

New Giant ‘Possum’ Species Discovered in Big Bend National Park

New Armored Lizard Species Identified From 77-Million-Year-Old Utah Fossils