Scientists are trying to define the situationship between domestic animals and humans. Under a new definition, populations of dogs and bedbugs are in, while horses and pigs are out. Photograph by Mark ...

Growing up, Weiss Friedman always had a passion for dogs—and cameras. "I was always in the dark room in my house. It was just me taking pictures and being excited about it," he says. This was long ...

You might think you know which animals and plants are considered "domesticated" or “domestic” and which ones aren't—but a new definition has launched a big debate among scientists. Scientists are ...