Source: Eddy Van 3000/Flickr CC BY-SA 2.0 It is not the case that everything we see is about sex and gender roles. When it comes to what appears to be sexual behavior, it is clear that too much ...

Some of our canine pets are colloquially called "ball junkies" because they have an addictive-like attitude toward their toys ...

Dogs are social animals, and it’s common for them to interact with other dogs. However, sometimes when a dog sees another dog ...

Because same-sex sexual behavior does not result in offspring, evolutionary biologists have long wondered how the genes associated with this behavior have persisted in the human genome, and whether ...