Northern resident killer whales and Pacific white-sided dolphins have been filmed hunting Chinook salmon together for the ...

A conservation charity is working with fishermen on the project on Scotland's west coast.

Marineland, the defunct amusement park in Niagara Falls, Ont., has told the federal government it will euthanize 30 captive ...

TORONTO — Marineland has presented a plan to the federal government to ship the last remaining captive whales and dolphins in ...

Dolphins, whales and seals are highly social animals. Many live in groups, form long-term relationships, and repeatedly ...

Do dolphins and whales actually play together, or are the dolphins just harassing the whales? Researchers sought to answer this question by looking through hundreds of photographs and video clips in a ...

Whales, dolphins and other marine mammals are highly social, but those social ties can also help diseases spread through ...

The relationship between whales and dolphins has long been shrouded in mystery. But, new research reveals that — despite their vast difference in size — these marine mammals often enjoy playful ...

Marineland has presented a plan to the federal government to transport the remaining captive whales and dolphins in Canada to a number of institutions in the U.S.

Wikie and her son Keijo are the last killer whales living in France and have been left in deteriorating conditions since ...

A seafaring rescue pup named Fin experienced a close encounter with whales and dolphins off the coast of San Diego earlier ...