How do four species of sharks share a rock barely 100 metres long in the middle of the Pacific? New research at Mexico’s Roca Partida suggests the answer may be partly about where sharks swim and when ...

From hand-sized lantern sharks that glow in the deep sea to bus-sized whale sharks gliding through tropical waters, sharks come in all shapes and sizes. Despite these differences, they all face the ...

Scientists expected shark ears to follow the same rules as every other vertebrate, shaped by habitat and diet. Instead, a new ...

Reef sharks and rays are in trouble. Around the world, their numbers continue to drop, with overfishing being the biggest reason for their decline. As the world’s largest shark sanctuary, French ...

At first glance, a completely white shark swimming among its normally gray companions sounds like a spectacular underwater oddity. But a new sighting of an apparently albino Galápagos shark at ...

What would happen if great white sharks disappear from Cape Cod? A new shark study shows the potential “ecosystem consequences” when the apex predator is no longer in a region, as a leading shark ...

With each summer comes a new Shark Week for fans to sink their teeth into. Those who love this time of the year flock to the Discovery Channel to watch as many movies, television shows, and ...

Trees first appeared on Earth during the Devonian period, around 385 million years ago, and dinosaurs about 100 million years later, between 250 to 200 million years ago. But you might be surprised to ...