Giant squid are mysterious deep-sea predators that are rarely seen by humans.
Find out everything there is to know about wildlife and stay updated on the latest wildlife news with the comprehensive articles, interactive features and wildlife pictures at LiveScience.com. Learn more about wildlife as scientists continue to make amazing discoveries.
A photo showing a group of male cheetahs trying to cross a raging river in Kenya is part of the 2021 Wildlife Photographer of the Year competition.
Cookiecutter sharks rip small, cookie-shaped chunks out of sharks and whales much larger than themselves, but a new study finds these big animals make up only a small part of their diet.
The longest-living animals can survive for centuries and millennia, even pausing the aging process altogether. Here are the longest-living animals in the world.
Sperm whales are the largest toothed whales, with enormous square-shaped heads and the biggest brains of any animal on Earth.
Scientists have found one of the world's rarest chameleons again after fearing the species was extinct due to shrinking forests.
Big cats are found all over the world, from Alaska to China, and each one is ferociously unique. Here are the nine biggest cats alive today.
Pikas eat yak poop to help them survive winters at high altitudes on the Qinghai-Tibetan Plateau in Asia.
Giant sharks have been lurking in the ocean for millions of years. Here are eight of the biggest sharks from the past and present.
American black bears are the smallest and most common bear in North America. They are highly adaptable, with a diet that includes honey and moose.
Suction in elephants' trunks is more powerful than scientists thought, about 30 times as forceful as the expulsion of air during a human sneeze.
Mustang horses roam freely across the western United States and are a symbol of pioneering spirit, but they aren't quite wild.
The animal kingdom is filled with stretchy mouths, from hamster cheeks to blue whale pleats, but which animal has the stretchiest mouth of all?
A months-long rescue operation transported the last of nine stranded giraffes to their new home in a mainland sanctuary.
Coyotes originated in prairies and deserts, but are now right at home in big cities across North America. How did this naturally shy creature learn to thrive in crowded urban landscapes?
Electric eels have been observed in the Amazon hunting in groups for the first time. By working together, they can send fish flying with a supercharged jolt of electricity.
Scientists recently documented never-before-seen mating behavior in wrinkle-faced bats, in which males pull a furry flap of skin over their faces.
Scientists have discovered that platypus fur glows under ultraviolet light, in the first example of biofluorescence in egg-laying mammals.