The box jellyfish is the most dangerous jellyfish in the world. Learn where it's found, why its venom is so deadly, and how ...

Venom is one of the animal kingdom's oldest and most effective weapons, providing creatures with an effective means of attack or defense. Spider venom, for example, is thought to have evolved from a ...

Of all the creeping, crawling critters that potentially pose problems for humans, spiders occupy a special niche. Unlike the biting, stinging pests such as hornets, wasps, snakes, and ticks that ...

Normally, the blue-ringed octopus is brown or cream in colour, blending easily with rocks and sand. But when disturbed, it ...

It's a common childhood experience; spotting a caterpillar and wondering what majestic moth or butterfly it will become. Yet, beneath their often bright or fuzzy exteriors, some species carry a ...