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 ...

The sperm whale has the biggest brain on the planet. It uses its intellect to hunt for deep-sea fish and squid in complex social groups. MORE: Sperm whale intelligence. All that brainpower helps ...

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 economic stakes were high: Each expedition could yield hundreds of barrels of precious whale oil. There was also valuable ambergris, a substance from the sperm whale used in making perfumes ...

Brian Skerry dives to photograph some of the most elusive animals in the ocean, sometimes on just one breath. Brian Skerry gets a rare opportunity to photograph a social gathering of six sperm ...

Whales may be known as gentle giants, but they still have a looming presence as the world’s loudest and largest animals. The ...