African wildlife explorer Rob the Ranger observes lions at dusk as they begin exhibiting their nocturnal instincts.

Water and air pose completely different challenges to animals on a number of levels.

This year "Jaws" celebrates its 50th anniversary. Its success reflects the enduring importance of our most ancient fear: ...

Cuteness can shift moods and lower cortisol, and science backs it up. Looking at baby animals, like a seal pup blinking on a ...

As the sun sets across America’s diverse landscapes, a second dawn begins – one made not of natural starlight but of artificial illumination from cities, highways, and suburbs. This artificial light, ...

With large, expressive eyes, bat-like ears, and an elongated middle finger that serves as a probing tool, Aye-Ayes are masters at finding hidden insects inside trees. They tap on wood, listening for ...

SALT LAKE CITY — Bison are large, eye-catching animals that can be found on Antelope Island and in the Henry Mountains and Book Cliffs. While encountering one is thrilling, getting too close can end ...

The comments focused on the high quality of the pictures. Gardener captures stunning photos of nocturnal backyard visitors: 'These pictures almost don't seem real' first appeared on The Cool Down.

It may sound unbelievable, but reindeer eyes change from a blazing gold in the summer to a deep, dark blue in the winter. However, this isn’t the kind of color change you might expect, as it usually ...

Reindeer change the color of a reflective layer in their eyes between summer and winter to deal with months-long stretches of Arctic darkness. These animals in Norway are cared for by Sami herders ...