Some of the ocean’s deadliest animals are almost impossible to see. This video examines a jellyfish so small it can fit on a fingernail, yet capable of delivering life-threatening venom. Its size ...

The ocean is home to some of the most dangerous predators on Earth. From towering sharks to seemingly harmless creatures you might never see coming, many species are equipped with deadly instincts, ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world.

This is the landscape of nightmares: pitch black, zero oxygen, freezing cold. Beyond the inky, icy darkness lies a seemingly endless expanse of barren rock. Here, silt swirls like snow. Strange ...