Biological matter left behind in the water allows us to follow these animals without ever setting eyes on them.

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

Can you guess which aquatic mammal has the largest brain ever recorded? Let's find out more about this ocean giant together.

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

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 ...

Scuba diving in the ocean can be an otherworldly experience, as can the marvels waiting to be discovered. Imagine swimming ...

Pygmy sperm whales (Kogia breviceps) are among the ocean’s most enigmatic inhabitants – rarely seen and largely unstudied. They live far offshore in small groups, diving in search of squid and fish.

In many ways, the deep ocean feels like an entirely different planet from the one we live on—home to some of Earth’s most extraordinary creatures, two of the most evocative being the largest toothed ...

A dead sperm whale that washed up on a Nantucket beach is making waves for local officials who are trying to move it. The 50-foot, 104,000-pound male sperm whale appeared on the island off ...

Neal J. Riley is a digital producer for CBS Boston. He has been with WBZ-TV since 2014. His work has appeared in The Boston Globe and The San Francisco Chronicle. Neal is a graduate of Boston ...

A pod of Hawai’i short-finned pilot whales below the surface. Credit: HIMB Marine Mammal Research Program Short-finned pilot whales are the ghosts of the Hawaiian coast. They often appear briefly at ...

A dead male sperm whale estimated to be about 40 to 50 feet long is currently anchored on a north shore beach on Nantucket while scientists determine what to do with it. Members of Marine Mammal ...