Over time, that name morphed into "killer whales." Scientists don't know whether ... Orcas are the largest members of the dolphin family. Males are bigger than females, but they both vary in ...

Two Los Angeles-area boaters on Saturday spotted a juvenile gray whale that had recently been killed by orcas and was missing ...

The 39-foot gray whale carcass was discovered floating off Marina del Rey on Saturday with most of its head missing.

The pod of killer whales that showed up Thursday, Jan. 30, have only been documented less than 10 times since 1993.

Recent findings used wildlife forensics and citizen science data to provide the first confirmed evidence of killer whale ...

Orcas, also called killer whales, are apex predators of the ocean. Their intelligence, hunting skills, and sheer power make ...