Pine trees are one of the most common coniferous species in North America. Learn how to identify the types found in the United States and Canada.

While we might have a general idea about the size of common animals, the actual dimensions of many North American species can ...

The wonderful world of tennis is helping nature’s tiniest mammals survive. Each year, following Wimbledon, thousands of used ...

The most prevalent colors of animals in nature are brown, black, and gray. These colors are important for protection and visual communication. Brown helps wild animals camouflage themselves as they ...

Hickory trees are prolific nut producers in North America. Learn about six of the most common species and how to identify each.

From bears to rodents, learn to ID scat by size, shape, and content to determine which animal has been in your area and what ...

In other species, males will kill infants unrelated to them, an act known as infanticide. In these instances, such as with the North American red squirrel, males kill and eat pups who aren’t ...

Researchers have found evidence that a common North American spider species alters its webs to deal with urban noise pollution.

Investigators tested animals from 23 common Virginia species for active infections and antibodies indicating previous infections.

From dreams of winning the lottery to doing daily chores—a new survey has revealed what Americans are dreaming about.

In “Our Kindred Creatures,” authors Bill Wasik and Monica Murphy explore the origins of the animal welfare movement and follow the activists who influenced how we treat dogs and cats today.

(CNN) – New research shows homosexual sex between animals is more common than we think. Same-sex sexual behavior has been observed in more than 1,500 animal species. But, the new study shows it ...