UN draft climate report: Impacts on nature

Climate change threats to life on Earth are systemic, interconnected and on a scale unprecedented in human history, the UN's climate science advisors have warned in a draft report seen exclusively by AFP.

Loss of land-based vertebrates is accelerating, study finds

In 2015, Stanford biologist Paul Ehrlich coauthored a study declaring the world's sixth mass extinction was underway. Five years later, Ehrlich and colleagues at other institutions have a grim update: the extinction rate ...

Explaining differences in rates of evolution

Scientists look to fossils and evolutionary trees to help determine the rate of evolution – albeit with conflicting results. A new model by ETH researchers has helped to resolve these contradictions.

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