There’s evidence to suggest that the comb jellyfish was the first animal to appear on Earth some 700 million years ago.

The beautiful yet dangerous Portuguese-men-of-war is filled with air allowing it to float on top of the water and travel with ...

Freshwater jellyfish are growing in abundance in Canadian lakes and rivers. The reasons are complex but climate change is the ...

Hundreds of these creatures have also been spotted washed up on popular beaches like Inchydoney, Fountainstown and ...

Most jellyfish are more bothersome than threatening, but the box jellyfish is so poisonous you might not make it out of the ...

Men-of-war are siphonophores, a jellyfish-like animal, with long tentacles and painful venom, the National Oceanic and Atmospheric Administration said. Over the past week, there have been reports ...

Each year on November 3rd, World Jellyfish Day is celebrated to raise awareness about jellyfish and their ecological ...

Almost by chance, researchers in Norway found adult comb jellies reverse their development and become larva again when stressed by starvation. It helps them survive because larva eat less than the ...