Deep within the sea lies another world entirely. It’s a world of complete darkness, where light is absorbed thousands of feet ...

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 ...

Eerie yet fascinating footage shows the 10-metre-long sea creature gently pulsing and swirling its way through the dark ...

It turns out sleeping isn’t just about resting your eyes, as a new study found that even ancient creatures without eyes — or even brains — need it too.

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

With increased DNA damage from UV radiation or other reasons, the researchers also observed the jellyfish and sea anemones ...

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 ...

A 20-second video of an enormous jellyfish with colorful spots and stripes is mesmerizing the internet. A scuba diver took the footage and posted it on Facebook back in December 2021. It got everyone ...

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 ...