Learn more about how insects reproduce, live together in society, migrate, and battle for survival.

Following their protection as an endangered species, bald eagles have come roaring back.

(Airs Sunday, July 18) The Andes is an extraordinary world of diverse terrain, extreme temperatures and multifarious wildlife.

Every animal has a story...and so does the staff at the San Diego Zoo.

NATURE investigates the sometimes exasperating efforts of people and wild animals to adapt to each other when their worlds collide.

(Airs Sunday, June 21) Explore the wickedly ingenious ways our wild neighbors are staking their claim for territory in an increasingly human-controlled world.

Intelligent, adaptable and fierce, the polar bear learned how to survive in a place that offers few comforts to any creature.

Both humans and animals seem to be hard-wired to find youngsters adorable. Baby Tales explores the reasons why the young play on our heart strings.

In the animal world, as in our own, looks aren't everything. In fact, some of the most aesthetically challenged creatures are also the most fascinating.

Some of the hardships kangaroos must learn to endure are summer temperatures reaching more than 140 degrees Fahrenheit.