How did humans start exploring the deep sea?

Beneath the vast Arctic and Antarctic ice sheets, there’s a weird world unlike any other

Of all the strange and wonderful animals that live in the deep sea, perhaps the most tantalising are the ones that are occasionally glimpsed by deep-submerged cameras, then swim off into the darkness

Dave Lewis recalls a trip to explore the National Museum of Wales’ collection of rare and unusual fish, and asks why these sorts of catches seem to be becoming more common

Squinting, it looks like a piece of popcorn. It’s hard to imagine this tiny orb could be a lifeline for coral reefs around the world. “That will have maybe eight or 12 eggs,” says Dr Jamie Craggs as I

THE CARIBBEAN HAS long been regarded as a diver’s paradise, and for good reason. A sprawling patchwork of islands, spread over a million square miles, they encompass almost every type of underwater ha

Sitting on the edge of a small dive boat, clad in a thick wetsuit and bulky scuba gear, every movement feels awkward and cumbersome. But with a deep breath, I roll backwards into the Atlantic Ocean. T