In 2010, the Government of Alberta estimated it had a population of 700 grizzly bears. By 2023, that number had risen to ...

To reach maturity, horsehair worm larvae infect vertebrate hosts and slowly take over their body before driving them toward ...

A fish that walks on land, breathes air, and survives days out of water has quietly spread across American rivers and ...

Every autumn, a remote Alaskan riverbank turns millions of people into devoted fans of some of the world's heaviest athletes.

The fish that grew up exposed to natural reef noises for at least one stage of development responded normally—curling up and ...

Each fall on the Colorado grasslands, thousands of tarantulas abandon the burrows they have called home for nearly a decade ...

Each fall, something stirs across the sweeping prairies of southeast Colorado that most people misunderstand entirely. What ...

Your cat chooses that exact spot at the foot of your bed every single night, and the reason goes far deeper than coincidence ...

Elephants are some of the smartest animals on the planet, and make their own tools. Read here about an elephant using a ...

Manta rays are intelligent, social and beautiful. Celebrate World Manta Day and learn how we can protect these gentle ocean ...

A swollen-faced coyote relied on community members for meals. Now that she has been rescued, the question of what is wrong ...

Discover why black bears enter hyperphagia in September, eating thousands of calories daily to prepare for winter and avoid ...