Each of them is a visible indicator ..." Expert raises alarm after once-in-a-lifetime event off the coast of Tasmania: ...

There are about 200 documented species of jellyfish pulsing their way through the world's waters. Most range from the size of your belly button to the size of a car tire.

The animal features a unique grab bag of traits of other nudibranchs, says study co-author and MBARI marine biologist Steven Haddock. Haddock was present when scientists first spotted the mollusk, ...

From the ghostly glow of bioluminescent species like Aequorea victoria to the towering tentacles of the lion’s mane jellyfish, each species reveals a unique facet of nature’s ability to adapt ...

Study finds that birds-of-paradise are biofluorescent, suggesting that this "hidden" phenomenon provides enhanced signaling for hierarchy and courtship.

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The first-of-its-kind aquarium at any SeaWorld park promises to be an Instagram-worthy photo spot with a jellyfish-filled ...

In 2011 scientists created glow-in-the-dark cats. The researchers took a gene from a glowing jellyfish and inserted it into the unfertilized eggs of house cats. It was a neat trick, but they had a ...

Has a 4-foot bell body and 30-foot tentacles, creating a surreal and rare deep-sea sight. Jellyfish with stinging tentacles and bioluminescent abilities, glowing in the dark underwater. Colorful sea ...