Researchers for the first time have documented orcas cooperating to smash their prey. Both instances were captured on video.

While one orca holds the tail of a sunfish, another orca rams into it, smashing it to bits. Researchers say the orcas might ...

How hard do you have to ram a fish to make it explode? Ask an orca. Barreling into large, heavy fish with enough force to blast them into instant chum is a previously unknown collaborative feeding ...

Killer whales might pulverize sunfish to break them into smaller bites for young orcas — or they might just find it ...

In two incidents documented in Mexico’s Gulf of California, orcas worked together to blast sunfish into smithereens after ...

The behavior could be a strategy to help younger orcas feed, or it may just be for their own amusement, researchers say ...

Like a group of scheming teens shifting their conversation when a teacher walks by, sperm whales (Physeter macrocephalus) ...

For sperm whales to live well, they must be heard. Whether diving to forage or chatting at the surface, orsupporting each ...

Southern right whales are the only whale species known to float upside down, and new drone footage suggests the purpose of ...

Scientists studying decades of pygmy sperm whale strandings have uncovered three previously unknown types of Helicobacter bacteria hiding in the animals’ stomachs. All four infected whales showed ...