When deep-sea explorers from the Schmidt Ocean Institute went on expedition off the coast of Argentina, they were amazed to see an enormous creature floating through the gloom: a giant phantom ...

From red to blue, harmless to lethal, and microscopic to humongous, jellyfish come in all different shapes and sizes and are ...

It's bigger than a double bed, weighs the same as a scrambler motorbike – and has one deadly sting... What are the largest jellyfish in the world? And how big can they grow? Stuart Blackman takes a ...

A massive jellyfish takeover has thrown part of Australia’s coastline into chaos, turning beach days into a hard no. Swarms of lion’s mane jellyfish have flooded areas around Melbourne’s Port Phillip ...

Wearing only his cap, goggles and “budgie smugglers”, Lynton Mortensen is swimming through water so cold it would make even ...

The lion’s mane jellyfish (Cyanea capillata) isn’t just one of the strangest-looking creatures in the ocean, it also holds some of its most jaw-dropping records. Known for its flowing, colorful ...

Britain is seeing a 'remarkable' surge in numbers of frilly–mouthed jellyfish, the largest jellyfish known to these shores. There were 310 sightings of the species around Britain and Ireland in the ...

In the mysterious depths of the Salish Sea, a giant creature, often hidden from human eyes, has captured the imagination of marine enthusiasts and videographers alike. The lion’s mane jellyfish, the ...

An underwater videographer has just published mesmerizing footage of the world’s largest, longest, and heaviest known jellyfish species—a lion’s mane jelly. “Several minutes into the dive, I noticed a ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...