Science ❯Geology

Paleoenvironments

Cretaceous Period Ancient Ecosystems Ordovician Seas Climate Change Silurian Period Antarctic Ecosystems Fossil Sites Pleistocene Epoch Paleocene Ecosystems

Scientists Identify North America’s Earliest Pterosaur From 209-Million-Year-Old Fossil

Analysis of a jawbone unearthed by a Smithsonian volunteer fills a critical pre-extinction gap in North American pterosaur history

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

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

Fossil of 69-Million-Year-Old Bird Redefines Evolutionary History

Rare Fossils of Punk and Emo Reveal Complexity in Early Mollusks

Newly Discovered 'Swamp Dweller' Sheds Light on Late Cretaceous Mammals

120-Million-Year-Old Dinosaur Footprints Found in Australia's Polar Region

New Extinct Walrus Species Discovered in North Atlantic