Test your visual perception with this optical illusion brain teaser that hides animals in a blue and white illustration.

A backward question mark shape on the creature's back reveals early animal evolutionary history. The earliest known animal to show evidence of an asymmetrical body lived over half a billion years ...

44.3 x 59.5 cm. (17.4 x 23.4 in.) ...

The animal lived about 70 million to 75 million years ago in a part of the state that would likely have been a swampy environment.

IX. 23. THE PIGMY HOG (Porcula salvania).—Few additions to the Zoological Society's living collection of late years have attracted more attention than the Pigmy Hogs of Nepaul, of which the ...

The question isn’t whether other creatures share our concept of mortality; it’s whether any living being truly grasps what it ...

Students in a fall Illustration studio called Picturing Sound are discovering fresh approaches to ideation and process ...

Animal experiments are widely used to develop new medicines and to test the safety of other products. Many of these experiments cause pain to the animals involved or reduce their quality of life ...

Older adults whose cholesterol levels fluctuate from year to year may face an increased risk for dementia and cognitive ...

Peanut the Squirrel charmed a large internet audience that helped fund an animal sanctuary. Then the government seized him.

CHICAGO >> H5N1 bird flu was detected in a pig in a backyard farm in Oregon, the first detection of the virus in swine in the ...

Human societies have long depended on the division of labor to thrive—walk into any town, and you can probably find bakers baking bread, truck drivers driving that bread to market and grocers selling ...