Hawaii’s coastal waters are known for humpback whales, spinner dolphins and monk seals, but killer whales rarely make the ...

On World Orca Day 2026, discover the story of Tahlequah (J35), the Southern Resident killer whale who carried her dead calf ...

Boat captains off the Northumberland coast have spotted killer whales more times in the past two years than in living memory, ...

When orcas, also known as killer whales, interact with a boat, they generally do not display aggressive behavior or any ...

The species Orcinus orca, generally known as orcas or killer whales, is made up of many genetically distinct populations called ecotypes. Each ecotype indicates an ecological specialization with its ...

For the last five-plus years, killer whales have been ramming – and in some cases sinking – expensive yachts, sailboats and fishing boats in the crystalline waters off the coasts of Spain, Portugal, ...

Killer whales have been seen detaching lengths of seaweed and using them to massage each other—the first evidence of tool-making by marine mammals. The whales bite off the end of a kelp stalk, ...

Northern Resident killer whales off British Columbia have been recorded going quiet during salmon hunts, apparently listening ...

Killer whales have been caught on video breaking off pieces of seaweed to rub and groom each other, scientists announced Monday, in what they said is the first evidence of marine mammals making their ...