Dolphins live and hunt in large social groups called pods, and they communicate with each other using high-pitched clicks and ...

The marine mammals swarmed around the recovery team and capsule, welcoming home the astronauts shortly after they splashed ...

Colombian marine biologist Fernando Trujillo has spent a lifetime working with the endangered creatures, which offer a window ...

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the ...

While a few species live in brackish or freshwater ... especially when encountering something like a toxic pufferfish. While dolphins typically prey on fish, squid, and crustaceans, pufferfish ...

to track down their prey and create a mental map of their surroundings. Some dolphin species live in freshwater rivers, like the Amazon. Despite their name, killer whales (orcas) are actually ...