About 250 million years ago, at the end of the Permian period, something killed some 90 ... The rocks that surrounded us date from the late Permian. For every yard of altitude we gained, we ...

A new study reveals that Earth's biomes changed dramatically in the wake of mass volcanic eruptions 252 million years ago.

These occurred at the end of the Ordivician, the Late Devonian ... The two biggest extinctions were at the end of the Permian Period, about 250 million years ago, and at the end of the Cretaceous ...

The Permian-Triassic extinction event ... He says, 'The Triassic is an interesting period. It forms the transition between the late Palaeozoic Era, which was mainly populated by synapsids, or ...

More than 17,000 species are known to have survived until the mega-extinction that ended the Permian period 251 million years ago. A predator of the Cambrian was the giant, shrimplike Anomalocaris ...

A period of intense global warming, known as the Late Smithian Thermal Maximum ... with temperature increases resembling ...

or "life oasis," for terrestrial plants during the end-Permian mass extinction, the most severe biological crisis since the Cambrian period. The discovery, led by Prof. Liu Feng, from the Nanjing ...

"Our study links land plant macrofossil assemblages and numerical simulations describing possible climates from the late Permian ... in the Permian, were cold, while the first period of the ...

In the Permian period before ... Plesiosaurs appeared in the late Triassic period about 203 million years ago and ruled the oceans unchallenged for millions of years. One of these marine reptiles ...