Sleep is one of life’s most universal behaviors. Despite its ubiquity, it’s also one of the most mysterious. Humans spend ...

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 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.

A team of students at Tohoku University in northeastern Japan discovered a new species purely by happenstance.

One minute, you’re swimming in the sparkling water off the Queensland coast. The next minute, you’re fighting for your life.

Jellyfish and sea anemones display human-like sleep, supporting theories about sleep’s role in preserving neurons, even ...

Upon entering the gallery, visitors will be greeted by the graceful and hypnotic Atlantic nettles. This species is known for its trailing tentacles that drift and pulse through the water. The ...