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

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

making them prime targets for the killer whales. Related: Grandma Orca Whale Body Slams Great White Shark in Intense Ocean Battle — Watch! “It’s a big, big fish that is very slow compared ...

How big they are: Up to 32 feet (9.8 meters ... together to form even larger groups of over 100 orcas. A female killer whale gives birth to one calf at a time every three to 10 years.

A killer whale mom, who shot to fame after she carried her dead calf’s corpse with her for more than two weeks in a harrowing tale of grief, has lost another baby, scientists revealed.

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

A trainer is ordering the killer whale to pose with its tail and head curved. But as the animal moves, it begins to leave behind a big smear of blood. From there, the animal then slips back into ...

There are five types of killer whale in Antarctica, but only three found in these waters, near the peninsula south of South America. Unromantically, these eco types are called A, B1 and B2. Type A ...

Members of the marine mammal rescue group Dolphins Plus Marine Mammal Responder walk with a Pygmy killer whale that was found stranded off the beach at Long Key State Park in the Florida Keys on ...

Two Los Angeles-area boaters on Saturday spotted a juvenile gray whale that had recently been killed by orcas and was missing most of its head. Alisa Schulman-Janiger, director of the ACS-LA Gray ...

The team at Dolphins Plus Marine Mammal Responder received a report of a stranded dolphin off the coast of Long Key State Park earlier this month.