"An ancestral trait." Groundbreaking study finds bizarre similarity between brainless jellyfish and humans: 'Fundamental ...

Jellyfish and sea anemones sleep too. A new study reveals that sleep may have evolved to protect nerve cells from DNA damage.

They identified two states: a “normal” one and a quiet state. When they were in this quiet state, the jellyfish were much ...

Studying ancient sea creatures’ snoozing habits could shed light on the origins of sleep.

Giant phantom jelly sightings are extremely rare, but recent footage shows this extraordinary deep-sea jellyfish in all its ...

A new study from the multidisciplinary brain research center at Bar-Ilan University found that jellyfish and sea anemones ...

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

Jellyfish sleep around eight hours a night, take short daytime naps, and compensate for lost rest,all without having a brain.

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

Most people think the great white shark is the ocean predator they should fear the most. However, this type of jellyfish, statistically speaking, is much deadlier. Sharks are probably the animal that ...

Sleep may have evolved to help reduce DNA damage in nerve cells long before they became centralized in the brain, a study ...