Over 40,000 species are currently fighting for survival, and the threats pushing them toward the point of no return are ...

In the last few centuries, mammals and other animals have been going extinct at least 100 times faster than they did before humans arrived on the scene. So who will be next? Which species are most ...

Traits that predicted mammal extinction for 130,000 years are changing, raising questions about how scientists identify ...

The researchers argue that earlier members of the crocodile lineage were likely warm-blooded for a significant period.

Earth has experienced five mass extinctions throughout its history, with the most famous being the Chicxulub asteroid that ...

The loss of the prey species is a 'primary extinction' because it succumbed directly to a disturbance. But with nothing to eat, its predator will also go extinct (a 'co-extinction'). Or, imagine a ...