Researchers say Risso's dolphins are benefiting from the increase of octopus in the south west.

Wild dolphins were captured on film putting sea sponges over their snouts, using them as tools to hunt along the seafloor.

Picture a dolphin diving toward the seafloor with something odd on its nose. It is not a shell or a fish. It is a sea sponge. The dolphin isn’t playing; it’s using the sponge as a diving mask: a clear ...

For over 140 years, traditional fishers in Laguna, Brazil, have hunted for fish as they work together with local Lahille’s bottlenose dolphins. In a rare case of mutualism between humans and wild ...

Since 1959, the U.S. Navy’s Marine Mammal Program has trained bottlenose dolphins and California sea lions to detect mines ...

Some parts of Florida still feel completely untouched, and Cayo Costa State Park might be the best example of all. Hidden off ...

SeaWorld San Diego will host a nighttime spectacular with 600 aerial drones this summer that will light up the sky over ...