Only two places in the world allow tourists to enter the water with the ocean’s apex predator. But the safety of both species is a growing concern.

We round up five destinations where sightings of cetacean life are almost guaranteed in the spring and summer months, from hotspots off the Azores coast to the skerries between Scottish islands.

“Not only did we capture such an amazing dataset, but we actually knew each of these whales,” says marine biologist David Gruber, who leads Project CETI, a nonprofit based partly in the Caribbean ...

The researchers knew something was off. It was July 2023, and they were on a boat in the Caribbean Sea, tracking a sperm whale, when they came across a larger group: 11 whales, bunched together near ...

On July 8, 2023, whale biologist Shane Gero was on a boat off the coast of Dominica when he realized something “strange” was going on. A group of sperm whales known as “Unit A” that he and his ...

Sperm whales (Physeter macrocephalus) go deep. They can dive 1,300 to 4,000 feet-deep and also travel as much as 15,000 miles per year. These depths and distances make sperm whales and other whale ...