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.

What makes some species more likely to go extinct?

Though they say "'tis impossible to be sure of anything but death and taxes," a bit of financial chicanery may get you out of paying the taxman. But no amount of trickery will stop the inevitability of death. Death is the ...

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