The millions of species humans share the world with are valuable in their own right. When one species is lost, it has a ...

New research finds extinction rates have been declining for a century, challenging assumptions of an ongoing mass extinction.

(CNN) — No species lasts forever — extinction is part of the evolution of life. But at least five times, a biological catastrophe has engulfed the planet, killing off the vast majority of species from ...

Quick Take Sudan, the last male northern white rhino, died, underscoring extinction and the emotional toll on caretakers.

Humans have long tinkered with the evolutionary trajectories of other species. Thousands of years ago we tamed wolves into dogs and transformed a wild grass into the agricultural wonder wheat. Within ...

Dire wolves were massive and highly intelligent animals nearly the size of a small horse, capable of ripping a man’s arm off as easily as a dog kills a rat. They lived in cold regions in a place ...

Its plans to bring back the dodo, woolly mammoth, and Tasmanian tiger might never work out. But wouldn’t it be cool if they did? The dodo bird was big, flightless, and pretty good eating. All that ...

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