An upside-down jellyfish drifts gently in a shallow lagoon. At first glance, it looks like it’s just floating, but scientists have discovered something qui ...

An upside-down jellyfish drifts in a shallow lagoon, rhythmically contracting its translucent bell. By night that beat drops ...

Add Yahoo as a preferred source to see more of our stories on Google. Jellyfish and sea anemones are curious creatures: these organisms evolved without a brain and, as scientists discovered only in ...

Turns out jellyfish and sea anemones – among the ancient creatures with a nervous system instead of a brain – have a very similar sleeping routine to our own. A new study published in Nature ...

The bizarre species came to the Adriatic accidentally in the ballast water of cargo ships. It is devastating the Italian city ...

Researchers report sleep-like states in brainless marine animals, suggesting rest began as a basic cellular repair mechanism.

A CANNIBALISTIC jellyfish has colonised the waters surrounding Venice, posing “major” problems for people. Carrying the ...

Thousands of electric blue, jellyfish-like sea creatures washed up on Central Coast beaches this week. Known by the nickname of by-the-wind sailors, velella velella are hydrozoans — a species related ...

SeaWorld San Diego’s newest attraction is an aquarium full of jellyfish species that has guests of all ages feeling like they’ve stepped into an underwater lava lamp with these otherworldly creatures.

NASHVILLE, Tenn. (WSMV) - 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. A study published in ...

A team of scientists were carrying out a major deep-sea expedition when they suddenly came across the freakishly long oceanic ...