Unlike the endangered Southern Resident killer whales, these whales are listed as threatened under the Species at Risk Act, ...

Researchers are listening for right whales off the coast of Massachusetts with the help of two new high-tech buoys.

Two killer whales have killed dozens — if not hundreds — of sharks, including the vaunted great whites, with an ease that has ...

Sedna's grandmother, T046 or "Wake," was one of six whales captured and temporarily held by SeaWorld in Budd Inlet, according ...

For the first time, a group of killer whales has been documented preying upon a prickly shark, a rare deep-sea dweller, according to a study published on March 20 in the journal Frontiers in Fish ...

False killer whales - which are in fact a dolphin - are typically deep-sea dwellers, and are one of the rarest marine mammals ...

Boaters in the eastern Mediterranean Sea recently happened upon a rare pod of false killer whales, video footage shows ... of six to 10 dolphins — which they believed to be a common species. The ...

also known as a killer whale. You can see it swimming along with a much smaller sea creature. The orca is the ocean’s top predator. It’s actually the largest member of the dolphin species.

The Ocean Census reveals 866 new marine species, highlighting vital ocean biodiversity and the need for swift species ...

Boaters off the coast of Israel recently spotted a group of rare false killer whales, video footage shows ... which they believed to be a common species. The marine mammals then swam alongside ...