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

The fossils offer a rare glimpse into a cataclysmic event that brought a sudden end to the greatest explosion of life in our planet's history.

For decades, the asteroid that ended the reign of the dinosaurs has stood as a symbol of total planetary devastation. But ...

Imagine someone digs you up in 15,000 years and discovers what you had for lunch the day that you died. That’s more or less ...

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

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

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

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

Speciation and extinction are the twin engines that have sculpted the diversity of life on Earth. Speciation, the process by which new species arise from ancestral populations, is driven by a mixture ...

In a new study in Geology, researchers calculated how long it took for novel single-celled marine species to appear after the asteroid impact, and it’s surprisingly fast.