Humans aren't the only species that like to swim in warm, near-shore waters. Jellyfish are back at the Delaware beaches, ready to ruin a good dip with their stinging tentacles. Sea and bay nettles and ...

For three summers in a row, researchers working in the Mai Po Nature Reserve noticed something unusual drifting through the ...

The oldest examples of swimming jellyfish, which lived in Earth’s oceans 505 million years ago, have been discovered high within the Canadian Rockies. Researchers found 182 fossils encased within the ...

A group of marine researchers found several new species of box jellyfish in Philippine waters, a groundbreaking discovery that could help deepen understanding of these under-documented species.  The ...

In a remarkable discovery that rewinds the tape of time, rare 505-million-year-old fossil remains have led to the discovery of a new species of ancient jellyfish. The researchers at the Royal Ontario ...

More than 300 mauve stingers, or palagia noctiluca, were recorded off an Anglesey beach last week, as well as other locations as far south as Pembrokeshire. The delicate, purplish jellyfish, whose ...

The Canadian Rocky Mountains offer more than scenic views: The mountains have been hiding fossils of an ancient jellyfish species. Researchers analyzed 182 fossils that were found in the middle ...