These first steps toward life on land were cut short by the freezing conditions that gripped the planet toward the end of the Ordovician. This resulted in the second largest mass extinction of all ...

This asteroid impact caused a global mass extinction but also created ideal ... The True Global Impact of Species-Loss Caused by Humans Is Far Greater Than Expected Oct. 3, 2024 — The extinction ...

The theory would explain the presence of an odd density of impact craters around the equator dating back to the Ordovician period ... periods and biggest mass extinction events in our history.

Increasingly, researchers are doing the numbers, and saying, yes, if present trends continue, a mass extinction is very likely underway. The evidence is pieced together from details drawn from all ...

As one of the coldest periods in Earth's history, the Hirnantian Icehouse played a crucial role in the second-largest mass extinction in Earth's history, known as the Late Ordovician Mass ...

Which species or groups survive a mass extinction, while not entirely random, often has little to do with the factors that promote survival during normal times. Mass extinctions are ecological ...

Here are four animals that managed to persist through Earth’s mass extinction events. Additionally, horseshoe crabs have a reproductive strategy that includes spawning in large numbers ...

One lineage produced our ancestors, the first mammals. Now we are creating a new mass extinction, wiping out countless species. Will life be as resilient this time? I remembered the acid-tolerant ...

When an asteroid hit the Earth 66 million years ago, it set off a devastating mass extinction. The dinosaurs (except for a few birds) all died out, along with lots of the mammals. But some small ...

We're in the midst of the Earth’s sixth mass extinction crisis. Harvard biologist E. O. Wilson estimated that 30,000 species per year (or three species per hour) are being driven to extinction.

Some scientists think human activity might be causing a mass extinction now. Humans are destroying natural habitats and global warming is causing environments to change rapidly! And this is ...