Killer Whales: Wolves of the Sea

Every year, thousands of Antarctica's emperor penguins make an astonishing journey to breed their young. They walk, marching day and night in single...

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

The passenger pigeon, the most abundant bird species in North America for thousands of years, became extinct by human hands in a geologic heartbeat....

One of the most mysterious animals to inhabit the jungle is the pygmy hippopotamus - up to 300 kg in weight, just 2 meters long, and 80 cm tall, and...

Documentary on the village of Viganella, in the Piedmont Alps, and on its mirror that reflects the sunlight on the hamlet, which otherwise would not...

We call them o-rang-u-tans, which literally means "forest persons" in the Malay and Indonesian languages. They are the only great apes native to...

A look at the state of the global environment including visionary and practical solutions for restoring the planet's ecosystems. Featuring ongoing...

In the animal world, as in our own, looks aren’t everything. In fact, some of the most aesthetically challenged creatures — from warthogs...

Jimmy is a burglar and a loner, Long-Fingered Fred excels in breaking into cars, while Merlin prefers to target restaurants. Meet the alpha males of...

Cat experts explain the behaviors of domestic cats and how their sometimes undesirable actions are really innate instincts, revealing how closely...