Every animal with a brain needs sleep. A few creatures without one do, too; even jellyfish enter a sleep-like state.

Discover the newly identified box jellyfish — and see how its unusual traits reveal how much scientists still have to learn.

A newly identified box jellyfish species in Singapore is giving scientists new insight into marine biodiversity while also ...

Nature woke up one morning and said, “Geometry.” Otherwise it would digest itself. Your body is basically a biological escape ...

Not every jellyfish gets its own museum. But in a matter of days, the nation’s first Jellyfish Museum will open in Pompano Beach at 199 N. Ocean Blvd., just a block from the city’s popular Fishing ...

Last month, Cassiopea andromeda, more commonly known as the upside-down jellyfish, were found to have similar sleep patterns to humans—but they do not have brains. Like humans, Cassiopea andromeda ...

If you purchase an independently reviewed product or service through a link on our website, WWD may receive an affiliate commission. Two of Pharrell Williams’ Adidas Jellyfish colorways that received ...

Jellyfish, simple and brainless creatures, require sleep just like humans, according to recent scientific findings. This discovery is forcing researchers to rethink how sleep evolved across species.

Sleep may have started as a simple maintenance window for the nervous system. A new study suggests that even some of the earliest animals with neurons use sleep to reduce DNA damage and cellular ...

Sleep is usually associated with complex animals with brains and nervous systems, but new research suggests it may be far older, and far more basic, than previously thought. Scientists studying ...

An upside-down jellyfish drifts in a shallow lagoon, rhythmically contracting its translucent bell. By night that beat drops from roughly 36 pulses a minute to nearer 30, and the animal slips into a ...

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