Earth was once ruled by giant reptiles. Tyrannosaurus rex, the king of tyrant lizards, crushed bones. Spinosaurus hunted in ...

Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing over a period of roughly 30 million years, but that would come to a halt ...

Single-use plastic packaging continues to drive fossil fuel extraction, despite brands’ promises to cut back, according to ...

About 252 million years ago, upward of 80% of all marine species vanished during the end-Permian mass extinction—the most extreme event of its kind in Earth's history. What followed was a ...

However, clams took over the oceans in the aftermath of the end-Permian extinction, along with oysters, snails, and slugs. Earth’s largest mass extinction eliminated a lot of marine species. But it ...

Imagine a world where dragonflies with wingspans rivaling that of a hawk darted through ancient forests, and millipedes as ...

The Permian period wasn’t just ancient history—it was a full-blown nightmare. From supervolcanoes to the deadliest mass extinction Earth has ever seen, this era was a nonstop survival challenge.

Scientists have predicted that Earth will undergo a mass extinction in 250 million years, with extreme heat and rising CO2 ...

For years, a mysterious fossil specimen defied categorization, until one paleontologist made a surprising discovery.

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

The life of a 166-million-year-old reptile has been turned upside down. While Marmoretta oxoniensis was believed to have swum ...