The sperm whale is the world's largest predator and dives deeper than any other mammal - up to depths of over 2,000m. Its call reaches 220 decibels, the loudest made by any creature on Earth ...

The sperm whale is the largest toothed predator on the planet and the master of the open ocean. The aim of the Blue Planet II team was to capture an intimate family portrait of sperm whales ...

Once you’ve made it past the narrow pathway, gravity would take you down into a series of one of four stomach chambers, based ...