The Mesozoic Era extinctions formed the world as we know it today. Read about what caused them and which animals survived.

It is referred to as the Permian-Triassic ... climate and ocean chemistry. Sea levels rose and the oceans became more acidic, leading to mass extinctions of creatures such as conodonts (marine ...

Scientists claim two of Earth's doomsday events from before the dinosaurs may have been triggered by a supernova exploding in the Milky Way. For decades scientists have dubbed several of our planet's ...

The water and sea floor would be full of them ... this piece erroneously said that at the end of the Permian era there were no trees or animals.

The mountains’ underwater origins are why we find so many fossilized sea creature remains high on ... with the other two being the Permian Period and the Jurassic Period. There is certainly ...

The end-Permian mass extinction, also known as the "Great Dying ... a researcher in paleontology at University College London who was not involved in the new study. Marine animals had no escape from ...

The Great Salt Plains is the only place in America where you can dig up unique hourglass-shaped selenite crystals. This ...