This lizard’s physiology rewrites what we thought reptiles were capable of. Here’s the truth behind its notorious reputation, ...

A fight between a shark and a piranha is what one would expect to read about in a thriller novel, but not in scientific fact.

This spider doesn’t run or hide when danger strikes. Instead, it builds a fake version of itself — and predators fall for it.

Winter is cold, winter is wind, winter is snow. Winter requires species to evolve, to respond to the snowpack to survive.

Winter is hard, and for wildlife in Colorado, it's even harder. To survive, many species have developed adaptations over ...

The Predator franchise returned in a big way this year thanks to director Dan Trachtenberg, whose two Predator movies both made our top five. We count Guillermo del Toro’s Frankenstein as sci-fi ...

Crocodiles and sharks are at the very pinnacle of the food chain, feared not only by their prey but more often than not by ...

Coleoid cephalopods have the most elaborate camouflage system in the animal kingdom. This enables them to hide from or deceive both predators and prey. Most studies have focused on benthic species of ...

io9 picks its favorite genre movies of the year, including 'KPop Demon Hunters,' 'Superman,' 'Bugonia,' and more. It’s that ...

This video explores the dominance of Allosaurus, one of the largest carnivorous predators of the Jurassic period. It examines the anatomical adaptations that made the species a fast, powerful, and ...

Bite force, a measure of the strength of an animal's bite, helps researchers understand a species' role in the ecosystem.

Eagles and vultures share the skies, but their bodies tell different stories, revealing why hunting power, speed, and ...