An English zoologist, he wrote an immensely popular 1967 book arguing that ancient genes, shared with apes, shape our lives.

It’s not at horror film levels, but the illicit drugs we excrete probably affect fish and the ecosystem at large.

Intrauterine growth restriction contributes to high rates of “runt” piglets, which have a lower survival rate after birth.

Burmese pythons are no longer just a South Florida problem. As sightings push beyond their historic stronghold, scientists ...

Wondering what types of roaches you'll find in California? Learn about the various roach species in the Golden State.

Colombia is currently between a hippo and a hard place as the region prepares to cull its most notable invasive species.

The idea that modern humans inherited DNA from Neanderthal ancestors is one of the 21st century’s most celebrated discoveries ...

The species in question was a therapsid, a group of animals that was the forefather to modern-day mammals, including humans.

The Amazon molly is an all-female fish that ditched sexual reproduction entirely, thriving for over 100,000 years through ...

This bird’s mimic abilities are so advanced that they can fool other species. Here’s what the science reveals about nature’s ...

In the animal kingdom, relationships are often driven by survival and the chance to pass on their DNA. However, some species ...

Plants and animals have evolved all sorts of ways to make themselves more appealing to potential mates—including colorful feet, flamboyant feathers, complex mating dances and sexual deception. Many ...