The thorny devil lives in dry areas of Australia and ... and can make themselves appear bigger when threatened. Meet the turtle with the rocky shell and huge smile - this is the mata mata turtle.

Walking through the boundless landscape of red rocks and limestone cliffs in Texas' Big Bend National Park last March, a volunteer and a park ranger came across a plant they didn't recognize.

The green turtle is a large, weighty sea turtle with a wide, smooth carapace, or shell. It inhabits tropical and subtropical coastal waters around the world and has been observed clambering onto ...

Meet "wooly devil," a fuzzy new plant species discovered at a national park in Texas is a brand new species. Botanists are ...