Drone footage has revealed sperm whales headbutting each other—something scientists had only speculated about until now.

A routine whale watching tour has taken a dark and rare turn as a pod of orcas showed why they’re called killer whales.

Researchers have captured extraordinary footage of sperm whales randomly headbutting each other, confirming anecdotal reports from mariners and whalers in the 18th and 19th centuries.

Sperm whales (Physeter macrocephalus) really do use their massive heads to deliberately push and strike objects. A team of ...

WARNING, GRAPHIC CONTENT: The footage shows several orcas taking turns with the carcass, highlighting their cooperative ...

THIS is the shocking moment a pack of killer whales tear a shark to pieces and feast on its remains. Terrifying footage shows ...

On March 6, three orcas showed up in Canada’s Vancouver Harbour, later heading south to Seattle, Tacoma and Olympia, that ...

Washington State now requires boats to stay 1,000 yards from Southern Resident killer whales, a rule effective in early 2025.

A trio of mysterious killer whales spotted in Vancouver Harbour last week has sparked excitement among marine researchers ...

A dolphin murder mystery is playing out on Patagonia’s shores: multiple mass strandings, with scores of dolphins washing up for no easily discernable reason. In one such event in 2021, for example, 52 ...

Researchers suggest that predation by a subspecies called Bigg's orcas might explain why members of another one, called ...