Ever heard of a liger? Or how about a zonkey? If you're unfamiliar, crossbreeding is the strengthening of the species genes of one animal by breeding with a stronger mate of another animal. Sometimes ...

One of the weirdest things about pea aphids is their reproductive cycle. Most animals reproduce in one of two ways: asexually or sexually. But the pea aphid does not stick to just one type of ...

Much of the three-part “Planet Weird,” which goes out of its way to find the nutty in nature, is simultaneously fascinating and disgusting—the much sought-after synthesis of wildlife programming: ...