Despite their name, killer whales (orcas) are actually dolphins.

Climate change is currently threatening whales, dolphins, and seals living in U.S. waters, according to a new study. About 70% of the marine mammals surveyed are facing habitat loss and food scarcity ...

Five fishermen, representing their communities, will publicly express their commitment to protecting the Irrawaddy dolphin in the Mekong River as they join other community members living adjacent to ...

PORTLAND, Maine (AP) — Whales, dolphins and seals living in U.S. waters face major threats from warming ocean temperatures, rising sea levels and decreasing sea ice volumes associated with climate ...

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New research reveals the significant risk New Zealand’s toothed whales and dolphins (odontocetes) face from human-made per- ...

New research has revealed that marine mammals who live far below the ocean's surface are not immune from the burden of toxic ...

Ferry passengers on Scotland's west coast often celebrate spotting wildlife in the waves as they travel between the Hebdrides ...

After two years of construction, Atlantic bottlenose dolphins are currently acclimating to the new 2.2-acre, 1.042-million-gallon exhibit known as the Dolphin Oasis at the Gulfarium Marine Adventure ...

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 ...