On a rare undeveloped point of the California coast, scientists are trying to repopulate shorelines with an endangered marine snail. This type of experimental conservation is becoming more necessary.

Some sort of apocalypse wreaks havoc on our planet, and before you know it, all the people are gone. Except for one: the last person on Earth.After wandering around aimlessly (assuming it's a man), he ...

The post The Black Hills are thick with lions. But those that leave are unlikely to repopulate the East, study finds.