Jellyfish have existed for 500 million years. Their great numbers and a diversity of some 4,000 species make them one of the most important creatures of the deep. A JAMSTEC research team has been ...

I find it amazing to actually see the true giants of the deep." Another similar jellyfish was discovered on nearby Dyffryn ...

Jellyfish are known for drifting to and fro at the whim of ocean currents—but not all species are so passive. The millions of golden jellyfish that pack Palau’s Jellyfish Lake spend much of ...

While jellyfish are common off the coast, he said he had "never seen them in quantities like that". Expert Sophie Negus said the "amazing" sighting was caused by warmer waters. Mr Holland ...

"The quantity of jellyfish was amazing, but the fact they were all washed up at the same time together I thought was really surprising - I've never seen anything like that," she said. "They are at ...

A Jellyfish Galaxy Adrift: The jellyfish galaxy JW39 hangs serenely in this image from the NASA/ESA Hubble Space Telescope. A Galaxy with Tendrils: This image taken with the Hubble Space Telescope ...