Jellyfish Day honors one of Earth’s oldest and most fascinating creatures, glowing reminders of resilience beneath the waves.

On World Jellyfish Day 2025, uncover fascinating facts about these mesmerising ocean creatures. Dive into the mysterious world of jellyfish that continues to amaze scientists and nature lovers alike.

Jellyfish belong to a group of animals called Cnidarians, and one particular species, Turritopsis dohrnii, dubbed the 'immortal jellyfish,' is the primary focus of this natural wonder. This tiny, ...

Warm Australian waters are home to the box jellyfish (Chironex fleckeri), which is considered to be one of the most venomous animals on the planet. Box jellyfish stings lead to excruciating pain ...

Jellyfish are known for their ability to take over ecosystems, even though they’re less efficient swimmers and hunters than their fishy competition. But a new study shows that jellyfish may rule the ...

Jellyfish are an ancient and successful group of animals. An in-depth look at the genome of the moon jelly, Aurelia aurita, shows that it uses a common set of genes to transition between polyp and ...

Sleep is sp essential that you and I can’t live without it, and many other animal species are the same way. On the other hand, scientists have long thought that for sleep to be needed, said organism ...

A team of university students in Japan identified an entirely new species of the mighty Portuguese Man O’War. Described in a ...