In 2018, an orca in the Pacific Ocean’s Southern Resident population named Tahlequah refused to let go of her dead calf, ...

Scientists have discovered a new Cretaceous-era dinosaur species by examining photos of a fossil lost during an allied air ...

Computer models helped decode whale communication. But some scientists say there are barriers that cannot be overcome.

Cetaceans—marine mammals that include dolphins, porpoises, and whales—are crucial to coastal ecology. Their presence fosters ...

Scientists discovered ancient marine reptiles that reached unprecedented trophic levels. These creatures exceeded today’s top predators.

A dolphin was nestled in a deepwater hole hidden within the shallow waters of Shark Bay, Australia. Richard Conner, one of ...

BOSTON - About 75 North Atlantic right whales, representing about 20% of the critically endangered species' population worldwide, have gathered in an area off the coast of New England.

After consulting with federal authorities, rescuers decided the most humane course of action was to euthanize the animal.

Anglers off the coast of Honduras captured rare footage of a pod of orcas eating a sperm whale, according to a new study.

A 2018 study has revealed that killer whales, or orcas, have the ability to mimic human speech. Researchers trained a 14-year ...

Predators at the top of a marine food chain 130 million years ago ruled with more power than any modern species, McGill ...