Mass extinctions are extremely catastrophic events on Earth. Throughout Earth's evolutionary history, numerous mass ...

Contributed by Kea Giles, Managing Editor, GeologyBoulder, Colo., USA: Mass extinctions are extremely catastrophic events on Earth. Throughout Earth's ...

Tens of thousands of years ago, the first wave of a worldwide tsunami now known as the “Sixth Extinction” swept across the ...

Astronomers may have finally cracked one of the universe’s biggest mysteries: how black holes grew so enormous so fast after ...

At some point in the deep past, humans may have come frighteningly close to disappearing altogether. Here’s what we know, ...

The impact of the asteroid 66 million years ago did not stop life from returning to normal for very long. New research shows ...

Each of these books can, in its own way, teach readers how to think about Earth's history, and how to apply lessons from the past to our future.

A wide range of mammal species are adversely affected, including both endemic (those only found in southern Africa) and non-endemic (those found in other places too) species. They range from less ...

One of Earth’s earliest mass extinctions wiped out most ocean life during a sudden global ice age. From the ruins, jawed vertebrates survived, diversified, and transformed the course of evolution.

About 445 million years ago, Earth’s oceans turned into a danger zone. Glaciers spread across the supercontinent Gondwana, ...

While it could almost be my trousers size, "30 by 30" instead refers to a United Nations proposal to protect 30 percent of ...

She defines the previous mass extinction events as follows The End Ordovician Extinction, 450m years ago, the Late Devonian Extinction, 370m years ago. The End Permian Extinction, which was the most ...