They weren’t snakes, of course, but nematodes, also known as roundworms—and, it turns out, they’re the most common ...

I’ve seen this species alive in the wild twice during my own fieldwork,” says Diego Cisneros-Heredia, an ecologist at the San ...

Researchers have discovered an ancient moth-like sea predator in a treasure trove of museum fossils in Canada. The ...

Rattlesnake wranglers in Arizona shared a photo of a "weird" snake they came across in the backyard of a Scottsdale home.

Whether a destination filled with dangerous critters is your idea of heaven or hell, you’ll want to consult this list ...

An Ontario woman said she believes her Yorkshire terrier, standing at just 3 inches tall and weighing less than a pound, might be the smallest dog in the world.

These snakes live underground and feed mostly on ants and termites, which makes sense when you think about their size.

A dangerous baby snake has been discovered, and its small size may be deceiving. Learn why this tiny reptile poses a serious ...

Despite her family’s apprehension, Fandresena Rakotoharimalala is determined to study and save chameleons in her home country of Madagascar. In some ...