Scientists have discovered a new species of dolphin swimming in the waters off northern Australia. The dolphins belong to the humpback family, so called because of a peculiar hump just below the ...

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 ...

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 ...

Three rare marine species were recently spotted off the coast of Thailand during a survey, photos show. Photo from the Thai Department of National Parks, Wildlife and Plant Conservation A trio of rare ...

IUCN Red List classifies the tucuxi river dolphin as endangered It’s official – all five of the world’s river dolphin species are now threatened with extinction after the IUCN Red List re-classified ...

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, ...

Off the Pacific coast of Canada, scientists have captured something that challenges long‑held assumptions about life in the ...

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, ...