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 ...

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

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

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

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

Scientists captured video of orcas ramming into sunfish with such force that the fish exploded. The behavior may be for fun as well as for feeding, they report.

In two incidents documented in Mexico’s Gulf of California, orcas worked together to blast sunfish into smithereens after they had killed the enormous animals ...