Catfish are named for the long, wispy barbels that jut from their faces like a cat’s whiskers—not for their catlike behavior. But it turns out some catfish may share more than looks with their ...

Islands are biodiversity hotspots. They only make up 5 percent of the world’s land mass, but they are home to 20 percent of its bird, reptile, and plant species, many of which are endangered. So, what ...

A scientific expedition to Peru has yielded a treasure trove of 27 new species, including an amphibious mouse, a "blob-headed" fish, and other zoological oddities. Ronald Diaz/Conservation ...

You no doubt understand that staples hold papers together. Well, metaphorically speaking, mice are the staples that hold ecosystems together. Of the world’s 2,399 rodent species, 1,642 qualify as mice ...