EnvironmentLoss of large animals in Europe is entirely due to people, not climate Population models suggest there would be even more megafauna in Europe now than 130,000 years ago if it weren't for modern humans News
LifeDinosaurs may have already been going extinct before the asteroid hit The diversity of non-avian dinosaur species may have been declining 10 million years before they vanished in a mass extinction 66 million years ago News