Glass frogs evolved one of the strangest camouflage systems ever discovered, becoming nearly invisible by hiding most of their red blood cells inside a reflective crystal-covered liver. Resting ...

Delaware is home to 19 species of snakes, according to state herpetologist Nate Nazdrowicz, and they're mostly harmless.

This video shows a close-up view of a colorful red-eyed tree frog resting on a moss-covered branch in the tropical rainforest of Costa Rica. The frog has bright green skin, striking red eyes, and ...

Poison frogs appear to have built their chemical defenses gradually: related frogs store low to moderate levels of ...

Some parts of Earth are so cold that survival seems impossible for any form of life. These frozen environments can drop to ...

Sir David Attenborough turns 100 years old on Friday, and scientists honored the milestone by naming a newly classified ...

As accessing affordable, fresh, local produce remains difficult in many urban communities across the Northeast, one organic ...

In honor of National Endangered Species Day, discover several important and fascinating species at risk of extinction.

A predator lunges forward, claws extended, jaws agape, wings fixed on target — and somehow the prey is already missing. Some ...

Sometimes the best adventures are hiding in plain sight, and Columbia Bottom Conservation Area in St. Louis proves that you ...

Some secrets are meant to be shared, and Black Rock Sanctuary in Phoenixville is one of Pennsylvania’s best-kept natural treasures that deserves more attention. This 54-acre sanctuary along the ...

Most people have flicked past a photo and immediately thought: that’s clearly filtered. Over-saturated. Someone had run it ...