Animals

This eel-like fish lives on the seabed over 300 feet below the surface where it feasts on dead animals and protects itself from attack using a suffocating slime.

Visitors at a tiger reserve in India recently filmed an encounter between a tigress and a bear, with the bear charging after the tigress but deciding at the last minute it was not worth the fight.

Extinct colossal cat Acinonyx pleistocaenicus was the biggest species of cheetah to have ever lived, scientists reveal.

'Teen Rex' is about to go on display for the first time and appear in a new T. rex documentary, thanks to a discovery made by three young boys.

Despite numerous tests, experts still can't figure out why smalltooth sawfish in Florida are dying in such a strange way — spinning, thrashing and beaching themselves.

Orcas off the coast of Iberia are spending less time hunting and more time exploring new games thanks to the recent recovery of their favorite prey, Atlantic bluefin tuna.

Some of the world's animals produce ear-splitting sounds — and some the loudest out there may come as a surprise.

Wolf 907F recently gave birth to her 10th litter of pups, which researchers say is likely a Yellowstone National Park record.

Newly discovered dinosaur — the apex predator of its environment — had a weirdly flat skull compared to its contemporaries, along with ridiculously small arms.

Watch rare footage of deep sea "octopus squid" reveal its bioluminescent photophores as it attacks an underwater camera.