Stacker offers a list of 51 questions and answers for pet lovers about common dog questions, like why dogs lick people and ...

Imagine having the strength of a wolf, the balance of a cat, or the ability to fly like a bird. For centuries, these ideas ...

Surviving in the wild is no small feat for animals, especially ones like Jimothy, with rare conditions And yet he persevered ...

In mammals, males are usually stronger and more competitive than females. Males also show greater inequality in reproductive success—the number of offspring they produce—than females. In spotted ...

When a male pearly razorfish is snatched from the sea, a female is forced to transition their sex too early. Scientists say ...

Research suggests that human monogamy reflects interactions among biology, culture, and environment rather than a fixed ...

Physical touch may be an important evolutionary tool to help manage social tension and keep the peace. That is according to a ...

Frailty threatens older individuals because it increases their vulnerability to detrimental health outcomes, such as falls, ...

If we’ve learned anything from Mowgli, it’s that growing up in the rainforest is brutally difficult. The same applies to orangutans, except their mothers can’t hire a bear and a panther to help.

Read a National Geographic magazine article about animal mating behaviors and get information, facts, and more about sexual ...