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 ...

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

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

For three summers in a row, researchers working in the Mai Po Nature Reserve noticed something unusual drifting through the brackish shrimp ponds. At first glance, the small, translucent animal looked ...

Humans began sleeping as a way to partly help reduce DNA damage in nerve cells, scientists at Bar-Ilan University in Israel ...

Learn how jellyfish and sea anemones are changing what we know about the evolutionary purpose of sleep.

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

At about the size of a pinkie nail, the jellyfish species Cladonema can regenerate an amputated tentacle in two to three days - but how? Regenerating functional tissue across species, including ...