We have to start counting from 1 again.

We've long assumed our species evolved from a tidy, single stream of ancestors. But life on Earth is never quite so straightforward, especially not when it comes to the most socially complex species ...

Mount Kilimanjaro, as seen from Kenya (Wikimedia Commons/Sergey Pesterev) (CN) — An explosion of the human population around Mount Kilimanjaro, Africa’s tallest mountain, over the past 100 years has ...

Tracking coyote movement in metropolitan areas shows the animals spend lots of time in natural settings, but a study suggests the human element of city life has a bigger impact than the environment on ...