Five people were rescued after a pod of critically endangered Iberian orcas rammed into a sailboat several times, causing it ...

Two boats have been attacked by a pod of orcas off the coast of Portugal. A video of the marine mammals hitting a yacht was ...

Rather than attacking pleasure boats or eating seals, Old Thom spends his days swimming with Atlantic white sided dolphins. No one quite knows why. Orcinus orca, or killer whales, are more likely to ...

The NHL's recent CBA changes could lead to a longer AHL pre-season, following the NHL cutting down on exhibition games.

A Southern Resident killer whale has been spotted clinging to her dead baby in the Salish Sea off northern Washington, a conservation group said. J-36, also known as Alki, was seen Sept. 12 in the ...

Evolution doesn’t hand out return tickets—and for dolphins and orcas, that’s now more than a metaphor. Once mammals commit ...

As more footage emerges from an orca attack, scientists reveal why these clever creatures frequently target boats.

A second endangered orca this year was seen carrying its dead newborn in Washington waters, highlighting the species' ongoing crisis.

Shamim de Brún sets sail on a seafari in Co Sligo - and hears how these encounters with whales and dolphins could be on borrowed time ...