Scientists have pinpointed the origin and composition of the asteroid that caused the mass extinction 66 million years ago, revealing it was a rare carbonaceous asteroid from beyond Jupiter, according […]
end-Cretaceous mass extinction event
Posted inBiogeochemical Cycles & Geobiology, Extinction events, Genomics, Proteomics, Bioinformatics, Impact events, Nomenclature, Systematics, Natural History, Press Release
Mass Extinction 66 million Years Ago Triggered Rapid Evolution Of Bird Genomes
Shortly after an asteroid slammed into Earth 66 million years ago, life for non-avian dinosaurs ended, but the evolutionary story for the early ancestors of birds began.