HALIFAX — Scientists have found evidence that two unlikely collaborators — killer whales and dolphins — may be helping each ...

Last year, they were hit with a deadly virus. The year before that, starvation. What will this breeding season bring for the ...

Killer whales or orca (Orcinus orca) have been observed hunting with Pacific white-sided dolphins (Lagenorhynchus obliquidens ...

Researchers say the behavior has never before been observed in the population. Watch dolphins and killer whales hunt together ...

Scientists say the aquatic allies were observed apparently relying on one another to find prized prey: large adult Chinook ...

The killer whales ripped the liver out of a shark and passed it around—only the second time orcas have been seen engaging in this behavior. Killer Whales off the coast of Baja California Sur in the ...

Killer whales team up with dolphins to hunt salmon, reveals new research. The apex predators, also known as orca, have been ...

In the cold coastal waters of the North Pacific, a rare alliance is challenging what scientists thought they knew about ...