A small pod resides year-round on the west coast, and northern pods are commonly sighted in Shetland, Orkney and on the north ...

San Juan Island, Wash. — As dawn broke over San Juan Island, a team of scientists stood on the deck of a barge and unspooled over a mile of fiber-optic cable into the frigid waters of the Salish Sea.

Two well-known orcas were spotted off Scotland twice in one week, according to boat tour companies. Sightings of the pair are considered “rare,” according to a local newspaper. Photo from Bart Max, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In 1987, a group of ...

For four years now, orcas have been ramming and sinking luxury yachts in European waters, and scientists have struggled to work out just why these smart, social animals had learnt this destructive new ...

Scientists have classified orcas as “data deficient” on conservation lists. These are the questions that keep them up at night. These killer whales seen off the continental shelf of northeastern New ...

A pod of sperm whales reacted to being attacked by vicious orcas in relatable fashion: by shitting themselves violently. Observed by scientists on a tourist expedition off the southern coast of ...

Five families of orcas joined forces to hunt down and feed on a blue whale, the largest creature on the planet, in what was an extremely rare sighting off Australia. More than 60 orcas worked together ...

Sailors off the coast of Galicia, Spain, were terrified. First, they heard a deep, resonant thud against the hull. Then another, and another. Below them, in the murky, emerald waters, a shadow moved.