Rare deep sea footage off Argentina shows a giant phantom jellyfish. Here are some facts, its size compared to humans and ...

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 ...

If you thought a normal-sized jellyfish was terrifying, wait ‘til you see a phantom jellyfish.

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 ...

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

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

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 ...

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

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

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 ...