But the lion’s mane jelly isn’t just a certified Long Boi; according to Guinness World Records, it’s also the heaviest ...

Vinegar has been another popular remedy for jellyfish stings. In many cases, it can deactivate venomous cells that haven’t ...

One ocean-dwelling creature found in many tropic waters is known to be able to reserve its own life cycle, cheating death.

Meet the giant phantom jellyfish. It's over a metre (3ft) wide and has four ribbony arms that trail behind for up to 10 ...

This jellyfish is very small in size. Its height and width are about 4.5 millimeters, which is less than the size of a little ...

Marine scientists document new records of venomous box jellyfish in the Philippines, aiding biodiversity and venom research.

We owe much of our understanding of how memory works in the brain to an unassuming sea slug called Aplysia californicus. It’s about a foot long, reddish brown, and has been favored by scientists since ...

Spending time in the ocean is one of life’s greatest pleasures, whether you are swimming, snorkelling, paddling, or simply enjoying the freedom of open water. However, in many warm and ...

Under the waves in the English Channel over the weekend, the biologist Lizzie Daly came face-to-face with an enormous underwater denizen: a 5-foot-long barrel jellyfish. Daly was diving near Cornwall, ...

Jellyfish are far more smart than previously thought - and could teach us much about the human brain, a new study has revealed. Researchers in the Current Biology journal found the poisonous Caribbean ...

Did you know that there are jellyfish living throughout the Hoosier State? Indiana DNR officials recently spoke more in depth about the freshwater creatures. “Wait… Indiana has armadillos AND ...

Jellyfish have been around for at least 500 million years — they're older than dinosaurs and even trees. Science writer Juli Berwald calls them "ghosts from the true garden of Eden". "An intelligence ...