Roughly 252 million years ago, Earth experienced its deadliest known extinction. Known as the Permian–Triassic Mass ...

Body coverings such as hair and feathers have played a central role in evolution. They enabled warm-bloodedness by insulating ...

Body coverings such as hair and feathers have played a central role in evolution. They enabled warm-bloodedness by insulating ...

A prehistoric carbon spike turned oceans deadly and wiped out marine life. Scientists say today’s CO₂ rise could cause the same outcome.

“Mirasaura lived in trees in one of the first forests that emerged after the great mass extinction at the Permian-Triassic ...

Since the first sharks emerged in the world’s oceans nearly half a billion years ago, the world has gone through five major ...

Some 252 million years ago, almost all life on Earth disappeared. Known as the Permian–Triassic mass extinction – or the Great Dying – this was the most catastrophic of the five mass ...

The collapse of tropical forests during Earth's most catastrophic extinction event was the primary cause of the prolonged global warming which followed, according to new research.

The Permian–Triassic Mass Extinction – sometimes referred to as the "Great Dying" - happened around 252 million years ago, leading to the massive loss of marine species and significant declines in ...

The Permian–Triassic Mass Extinction – sometimes referred to as the "Great Dying," happened around 252 million years ago, leading to the massive loss of marine species and significant declines ...