How big they are: From 5 to 32 feet (1.5 to 10 meters) long, depending on the species Dolphins live in almost every ocean, except most tend to avoid the cold waters in the Arctic and around Antarctica ...

There’s been a 140-year debate about whether two dolphin types most commonly seen in the waters off Southern California are related. Now, researchers affiliated with the National Oceanic and ...

The findings are the result of a study involving examining data collected over half a century from Indian Ocean humpback ...

Off the coast of British Columbia, killer whales are tailing dolphins, and both seem to be rewarded with fishy meals. But not ...

Biologists discovered killer whales and dolphins working together to hunt salmon, a behavior never before documented in this ...

Dolphins live in all the world’s oceans and even some of the largest freshwater rivers. Like whales, they’re considered cetaceans, or marine-dwelling mammals. There are four main families of dolphins, ...

There are some incredible animals that roamed the earth and its oceans millions of years ago, and an ancient freshwater dolphin species was just discovered in the Peruvian Amazon. The Weather Channel ...

Pink dolphins are an indicator species of the Amazon river, scientists say. Swimming with the piranhas and anacondas below the surface of the Amazon River in Bolivia is a rare species: pink, ...