Some creatures can dramatically alter their internal temperature — a strategy called heterothermy — and outlast storms, ...

By drawing water into an internal, muscular cavity and forcefully expelling it through a flexible, narrow tube, known as a ...

Animals face a constant battle to survive, not just by finding food but by avoiding becoming food themselves. Over millions of years, evolution has produced a vast range of defense strategies, from ...

Across deserts, ocean floors, and forest undergrowth, a handful of animals have evolved defenses so extreme they strain ...

Weird pet habits have you ever watched your cat suddenly sprint across the room for no reason or seen your dog spin in circles before lying down? Pets are full of peculiar habits that often make us ...

Sand dollar exoskeletons are often found washed up after the animal has died. But this live individual has put on a hypnotic show that helps calm the mind.