Optical illusions are created by modifying images in such a way that they trick our visual system into believing what it is seeing is real. These illusions have been around for centuries and are also ...

Learn more about the hidden molecules uncovered in animal fossils from an ancient human site, and the new view they give us ...

A trail camera hidden in the forest caught a rare and unexpected look at wild animals in their natural habitat. Enjoy this brief but fascinating moment from the wilderness.

"There are many zoos I would like to see closed." —David Field, president of the World Association of Zoos and Aquariums There is increasing concern among zoo administrators, researchers, and ...