The apex predators have offered up fish, birds, turtles and whales to humans around the world, according to the study.

Researchers documented 34 instances of purported prey-sharing behavior, which suggests orcas may be altruistic and capable of ...

The rare and awe-inspiring gestures were documented off the coasts of B.C., California, New Zealand and Norway. Researchers say their new study is the first documentation of these kinds of gestures by ...

Southern resident killer whales are using kelp for what scientists suspect are both hygienic and social purposes.

Over the years, orcas have been seen partaking in some peculiar practices, from sinking sailboats to wearing salmon “hats.” ...

Researchers say higher quality drones helped them spot the whales regularly breaking off pieces of kelp to use as a tool, pressed between their bodies.

Miley's younger sister, Noah Cyrus, is calling on SeaWorld to release Corky, an orca that's been in captivity since 1969.

Tahlequah, the Southern Resident orca who carried her dead calf for 1,000 miles over 17 days in 2018, is mourning the loss of another newborn, raising concerns about her health.

Tahlequah, the Southern Resident orca who carried her dead calf for 1,000 miles over 17 days in 2018, is mourning the loss of another newborn, raising concerns about her health.

In 2018, an orca mother refused to abandon her dead calf. Instead, she pushed its body for 17 days. Now she is doing it again with another dead calf.

When her second calf died shortly after birth in 2018, J35 carried the infant whale’s body with her over hundreds of miles, either gently pushing it along with her nose or holding its flipper in ...