IMAGE: FIELD PHOTO OF A WATSONULUS FISH FOSSIL FROM THE GAOPO SECTION. / PHOTO DE TERRAIN D’UN FOSSILE DE POISSON WATSONULUS (SECTION DE GAOPO). view more CREDIT: XU DAI Discovery challenges understanding of how quickly life recovered from the greatest mass extinction in Earth’s history Peer-Reviewed Publication MCGILL UNIVERSITY About 250 million years ago, the Permian-Triassic mass extinction killed […]

Fossil discovery reveals complex ecosystems existed on Earth much earlier than previously thought — Iowa Climate Science Education