In less than a million years Dinogorgon vanished in the greatest mass extinction ever, along with about nine of every 10 plant and animal species on the planet. Photograph by Jonathan Blair SCIENCE ...

And this is, of course, an anthropogenic mass extinction. The primary cause is human communities. But what we're trying to do in extinction studies is to think about scale in different ways.

It's often said that extinction is the rule, rather than the exception—after all, 99.9 percent of all species that have ever existed on Earth have gone extinct. In a sense, that adage is true ...

Looking at clear periods of warming closest to the asteroid impact reveals one peak of about 2 degrees Celsius (about 3.6 degrees Fahrenheit) around 200,000 years before the mass extinction.

This is the story of an extinction. ... These are usually mass extinction events, ... This story appeared in the January/February 2025 issue of National Geographic History magazine. Related Topics.

In my life, extinction is stronger than a just a word or a concept; It is something much more tangible. Since 2006, I’ve spent my summers in Cusuco National Park in Honduras, helping to save ...

Paleontologists have uncovered in Arizona a Triassic treasure trove of fossils dating back 209 million years ago.

Extinction is a natural phenomenon: After all, more than 90 percent of all organisms that have ever lived on Earth aren’t alive today. “We’re losing whole suites of species that have ...

In a “mysterious mass extinction” that greatly reduced shark diversity. National Geographic. Researchers in Science shared their findings about early Miocene extinction in pelagic sharks.

Dinosaurs met their ultimate demise around 66 million years ago. But it wasn't until the 1980s that the widely accepted asteroid theory emerged, offering scientists more clues to what really may ...

Earth’s largest freshwater creatures at risk of extinction. Global populations of freshwater fish, reptiles, amphibians, and mammals have sharply declined, a new study finds.