Harley Quinn has a hyena friend in the movie "Birds of Prey," but even without supervillain sidekicks, hyenas are super-awesome.
Never get between a predator and its prey — unless you’re a gutsy scientist with a generous life insurance policy. Here is the latest news and findings on creatures that hunt, kill, and make Shark Week the best week.
Paleontologists in Poland unearthed the jaws and teeth of a pliosaur, an ancient marine reptile with a bite more powerful than that of T. rex.
An elephant's seemingly final act after it was attacked by a crocodile was to collapse on top of the reptile, crushing the would-be predator.
There is no animal across the Americas that has been given more names than the hemisphere's dominant hunting cat often known as the mountain lion. Here's a look at the evasive predator.
Llanocetus denticrenatus lived about 34 million years ago. It was big. It was an early ancestor of modern humpbacks and blue whales. And it had teeth.
A colorful sea slug feasts on microscopic marine creatures called zooplankton, but it captures more of them in a gulp by using a middleman.
A jaguar ambushes a giant jacare caiman high up on the Three Brothers River in the Pantanal in Mato Grosso, Brazil, on Sept. 26, 2017.
One unique arachnid found not only in the Sonoran Desert but also in the Mojave and Chihuahuan deserts is the desert tarantula. Check out these amazing photos of desert tarantulas.
Praying mantises primarily hunt insects and spiders, but a new study found that for many large mantises, birds are also on the menu.
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