The bluestreak cleaner wrasse passed an ape-level mirror test, challenging how we measure animal minds across the tree of ...

From feral hogs to sea lampreys, these invasive species cost billions and continue spreading across North America.

Birds flock to urban Denver for resources, say researchers. Explore perks, perils, and action steps you can take to help bird ...

Scientists link humidity, microbes, and melanin to a pattern where animals in warm, wet climates develop darker feathers and fur.

Greyhounds are some of the quickest dogs in the world. Read here about why, and to see a video of one sprinting down a road.

Capybaras are some of the most viral animals online and for good reason. Read here about the chillest animals on earth.

Explore honey hunting in Africa, where greater honeyguides work with humans in a rare and vanishing wildlife partnership.

Get five days' worth of comprehensive daily lesson plans, instructional materials, printable resources, graphic organizers and more.

Imagine a wild, feral goldfish surviving in a habitat it was never meant to enter. In Canadian waters, such creatures are not ...

A post on Instagram celebrated Sia the white-tailed eagles first birthday. Read here about how they hatch and grow up.

During the PLOS ONE study, researchers observed surprising fear reactions in the 38 species that were tested by the fake ...

Ruby-throated hummingbird season is an annual event in the eastern United States, kicking off during the month of March.