Tennessee's wildlife has a unique way of surviving the winter months, from hibernation to animals that thrive in chillier ...

Scientists working in Mexico have recorded multiple incidents in which a group of orcas hunt young great white sharks and eat their energy-rich livers.

A shark-hunting pod of orcas was seen flipping their rival apex predators upside-down to paralyze them before feasting.

Minnesota has many habitats that are teeming with animals, some of which are impressively big. Here are the largest.

Specialist shark-hunting pod paralyzes young white sharks to eat their energy-rich livers, taking advantage of local shark nursery ...

The team films something not seen before: an hours-long teaching session between adults and their young. Killer whales are one of only a handful of animals that actively teach their young, and it’s ...

Due to its vast size — stretching from Canada and Greenland in the north, to Mexico in the south — North America contains a ...

A pod of orcas were chased by a group of humpback whales off the coast of California, a whale watching company said. Getty Images/iStockphoto A group of orcas was chased by humpback whales off the ...

A Southern Resident killer whale has been spotted clinging to her dead baby in the Salish Sea off northern Washington, a conservation group said. J-36, also known as Alki, was seen Sept. 12 in the ...

A group of killer whales were spotted off the coast of California, boaters said. Getty Images/iStockphoto A group of orcas was spotted off the coast of California, leaving boaters “thrilled,” ...