Sperm whales have the largest brain of any living animal, weighing up to 9 kilograms (nearly 20 lbs), a key reason scientists believe they possess advanced communication and social intelligence. They ...

Sperm whales are the largest toothed predators on Earth and among the deepest divers in the animal kingdom. These giants ...

This documentary examines a prehistoric sperm whale species that hunted with enormous teeth rather than suction feeding. Fossil evidence reveals a skull built for powerful bites capable of targeting ...

Scientists have finally captured something long rumored but never proven: sperm whales headbutting each other. Using drone ...

Calamari is a favorite seafood around the world, but millions of years ago, the roles might have been reversed. In ancient ...

Scientists studying stranded pygmy sperm whales have uncovered three previously unknown genotypes of Helicobacter bacteria ...

The Mediterranean Sea is home to some of the ocean's largest animals. Among the nine species of cetaceans commonly found ...

A Costa Rica tour group this week experienced a mesmerizing encounter with a whale shark measuring 15-plus feet in the emerald shallows off Guanacaste. The accompanying footage was captured Monday by ...

The ocean is still one of the biggest mysteries on Earth, and the deeper you go, the stranger it gets. Far below the surface, ...

It can happen to any fashion week attendee: You arrive to your assigned seat only to find that someone else is already sitting in it. “Um, excuse me, I think this is my seat?” you awkwardly announce.

In one of his final acts before his death in 2024, Māori King Tūheitia Pōtatau Te Wherowhero helped galvanize Pacific Indigenous leaders to sign a landmark declaration recognizing whales’ rights. Now ...

EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...