A family of killer whales was spotted swimming in the waters of downtown Vancouver, stunning passengers aboard a tourist ...

Keto the killer whale, who spent his whole life in captivity and fatally attacked his trainer Alexis Martínez in 2009, has ...

While this ocean mammoth is dubbed “blue,” its color is more a reflection of the water it swims in — its skin is actually ...

Scientists say they discovered that two well-known types of killer whales in the North Pacific Ocean are actually two separate species and not just different races. In a study published Wednesday ...

Scientists said it was "unprecedented" and showed the exceptional predatory skills of killer whales. Two orcas in particular off South Africa's coast have been observed before working together to ...

two, three, using squawks, shrill whistles or raspberries. Killer whales are known to live in groups with unique vocal "dialects". They may copy other members of their kind in the wild ...

Indeed, in the waters off South Africa, the strategy is so common that two particular killer whales have gained a reputation for organizing teams of orcas to band together and hunt great whites.

Two southern resident killer whales are presumed dead after multiple sightings of two endangered pods failed to turn up a 30-year-old male and a calf. The deaths of calf L128 and male K26 ...