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

Discover how crocodiles survived two mass extinctions thanks to their flexible diets and habitats, according to research.

It turns out it does matter what you eat, especially to crocodylians — crocodiles, alligators and gharials — a species ...

Here, we will explore what the Earth was like at this time, the plants and animals that existed, and the extinction events ...

Researchers link two ancient mass extinctions to nearby supernova explosions, which may have damaged Earth's atmosphere and ...

Most people think of crocodilians as living fossils—stubbornly unchanged, prehistoric relics that have ruled the world's ...

About 41,000 years ago, Homo sapiens may have survived increased solar radiation caused by a weakening magnetic field by ...

Petrified Forest National Park is a time capsule filled with ancient trees ... 4.6 billion years of Earth's history. There's so many past time periods, past extinction events, that we can look ...

This week, solve the mystery of an ancient human ancestor’s fossil, meet a new generation of dire wolves, spy April’s full moon, and more.

Dinosaur extinction theories suggest populations were dwindling when an asteroid wiped them out. New research is challenging ...

The oldest is the Paleozoic Era, which means ‘ancient life’ and occurred ... The Mesozoic Era began with the Earth’s worst-ever extinction event. It is referred to as the Permian-Triassic ...