Picture a pod of giant whales floating motionless, tails down and heads pointed toward the surface, like enormous toothpicks poking out of the water. Sperm whales have one of the weirdest sleep ...

Noise can mask the low-frequency calls of sperm whales passing beneath. Meanwhile, floating nets entangle juvenile turtles exactly where they once found refuge.

The Sperm Whale’s Deadly Call Scientists have discovered that the massive mammal uses elaborate buzzes, clicks and squeaks that spell doom for the animal’s prey ...

Sperm whales, the planet’s largest toothed predator, have incredibly complex social structures and cultural practices. During a recent WWF-backed research expedition around Greece’s northwestern ...

A South Carolina man pleaded guilty on Thursday to importing sperm whale teeth and bones from four countries and selling them in the United States, federal prosecutors said.

A Newfoundland man made news with his creative photography of a dead sperm whale this week, but one whale expert says the viral video has more value than simple entertainment.

Sperm whales live in the depths of the ocean. They dive as deep as 900 meters (nearly 3,000 feet) to forage and spend only about 10 minutes of every hour on the surface. Their world is cold and dark, ...

Seeing images of people swimming alongside giant sperm whales resting vertically with their calves, floating among groups of nurse sharks, or stroking manta rays has become more common than ever ...

From the spooky anglerfish with its glowing lure to the bizarre blobfish that looks like it's been squished, there's no ...

Sperm whales can grow up to 60 feet (18 meters) long and dive to nearly 3,280 feet (1,000 meters) to hunt for squid. They sleep vertically, in groups.