The Ancient Oxygen Flood That Let Life Conquer the Deep Ocean
An artist’s rendering of a prehistoric jawed fish from the Late Devonian called Dunkleosteus. These sorts of large,…
Dinosaur-Hunting Croc Cousin With Monster Jaws Unearthed in Patagonia
Kostensuchus atrox – life restauration, 3 meters long. Credit: Gabriel Diaz Yanten, CC-BY 4.0 Seventy million years ago,…