While they don't write love letters, there’s no doubt animals form deep and enduring friendships and use many different ways ...

These "total monsters of fishes" are extinct today, though new clues about their lives come from CT scans and their closest ...

The invasive Asian swamp eel is threatening the Florida Everglades by disrupting the food web. This predatory fish has caused an 80% loss of the prey base for wading birds in some areas. Likely ...

This sleek, black creature of the deep is a master of speed and agility, gliding effortlessly through the ocean’s vast ...

In his new National Geographic series Pole to Pole, the actor ventures deep into the Amazon in search of creatures whose ...

Killing the protected animals may be the only way to stop them from eating too many of the Pacific Northwest’s endangered ...

Tiny sharks have long been blamed for the eerily perfect circles carved into the skin of whales, dolphins and even submarines ...

Several massive great white sharks have been spotted off Florida's coast. This post shows you the largest great white shark ...

Off the coast of the UK, fishermen and marine biologists are witnessing something not seen in generations. Sightings of the ...

Off the Pacific coast of Canada, scientists have captured something that challenges long‑held assumptions about life in the ...

Cetaceans are among the most intelligent creatures in the ocean and many whales have used their big brains to develop cunning ...

Humans are grimly adept at making tools that can kill things, but elsewhere in the animal kingdom, other species also make tools to use for killing. On rare occasions, the items are directly used to ...