A pod of Orcas, also known as "killer whales," attacked a boat off of Spain in a growing trend experts say might be "revenge" for years of being injured by them.

Seal Hops Aboard Boat to Escape Hungry Killer Whales Kirk Fraser captured the moment a seal jumped on his boat to avoid a pod of hungry orcas.

Orcas near Spain have sunk 1,000 boats as revenge for a calf struck and killed by a boat.

“For some unknown reason, the killer whales have developed a penchant for breaking the rudders of sailboats and once they have achieved this, they leave the boat alone,” Prof Volker Deeke told ...

Killer whales are one of the most intelligent animals; only humans have a larger brain relative to their body size, according to the study.

Killer whales are one of the most intelligent animals; only humans have a larger brain relative to their body size, according to the study.