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 ...

Some jellyfish species can regenerate body parts or revert to an earlier life stage, granting them potential biological ...

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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 ...

Large blooms of moon jellyfish are being seen from the River Derwent to halfway up Tasmania's east coast. A leading marine scientist has said "an incredible sequence of events" has led to the ...