Quick Take Sperm whales are the largest toothed whales and deep-diving predators, with a spermaceti organ used for sound ...

Sperm whales have a lot to say. The animals spend much of their lives in darkness, searching the ocean's depths for giant squid. So sound rules their world, especially in their tight-knit family ...

The Americas takes us on an expansive journey across our planet’s greatest supercontinent, containing the widest variety of life on Earth. Over the course of 10 episodes, the documentary series tells ...