Orcas, or killer whales, are deadly and beautiful apex predators.

A new state law is now in effect that provides a 1,000 yard vessel buffer around endangered southern resident orcas in ...

In 2018, researchers observed J35 pushing her dead calf along for 17 days, propping it up for more than 1,000 miles (1,600 ...

Tahlequah, the Southern Resident orca who carried her dead calf for 17 days in 2018, is mourning the loss of another newborn, ...

The southern resident orca population marked the turn of the year with both heartbreak and hope: the death of a newborn calf ...

Egypt's Wadi Al-Hitan — or "Valley of the Whales" — is famous for its abundance of fossils from the Eocene epoch.

The closure of a marine zoo in the south of France has sparked intense debate over the future of inhabitants including orcas ...

The Orca Conservancy is asking the public to help them take action to save our southern resident orcas after another calf has died.

The southern resident killer whale, known as Tahlequah, has now lost another calf in what the Center for Whale Research called “devastating” news.

Tahlequah, a mother orca who gained fame in 2018 for carrying her deceased calf on her back, has lost another child — and heartbreaking photos and video show her again continuing to carry her dead ...

A new law went into effect Jan. 1 that extends the buffer zone around endangered Southern Resident killer whales, punishable by a $500 fine.