A rare and dramatic predation event saw a superpod of more than 60 orcas take down a pygmy blue whale off the coast of ...

On a March day in Seattle, USA’s Elliott Bay—part of the Salish Sea of northwestern Washington and southwestern British Columbia—a grebe bobbing nervously among a pod of Bigg’s (aka ...

Ponder the most dangerous bear in the world, and you might naturally think of the mighty polar bear – king of the Arctic and most carnivorous of ursids – or the big and ornery North American ...

From above the tiger shark’s grey silhouette stands stark against the sun-drenched sands of the sea-floor below. With flowing, almost lethargic, strokes of its tail the shark cruises slowly ...

Josh Miner’s ranch outside Santa Fe, New Mexico, covers more than 100,000 acres and supports 1,000 cattle. It’s also home to about 1,000 pronghorn (often called American antelope) that eat the ...

These big-eyed birds are found in tropical Central and South America where they spend their days resting beneath the rainforest canopy pretending to be trees. Potoos are nocturnal, so to avoid ...

Mosquitoes. Hordes of them, buzzing in your ears and biting incessantly, a maddening nuisance without equal. And not to mention the devastating health impacts caused by malaria, Zika virus and ...

Big cats – like lions, leopards and tigers – are among the few animals with enough brawn and moxie to take on a full-grown crocodilian. While these predators certainly target the occasional ...

This story originally appeared in bioGraphic, an online magazine from the California Academy of Sciences that features beautiful and surprising stories about nature and sustainability. The kakapo ...

Earlier this month, the CT scanner at the Washington University School of Medicine received some unusual patients: two Triceratops skulls! By probing the interior of the fossils, these scans will ...

The Pantanal is a vast wetland region spanning thousands of square kilometres across Brazil, Paraguay and Bolivia. Even though it's not as packed with biodiversity as the Amazon, the visibility of ...

After 400 million years on this planet, sharks have evolved an arsenal of adaptations for survival. Among the most impressive is their ability to heal after traumatic injury, and one lemon shark ...