“Studying these animals in the ocean is hard,” she says, “and we haven’t figured out how to follow a two-millimeter jellyfish and see what happens to it.” Editors' note, December ...

Today these otherworldly creatures can be found around the world, from coastal shallows to the ocean deeps. Jellyfish are invertebrates – animals that don’t have a backbone – and belong to a group ...

So, The Oldest Living Animal Has To Be The ‘Immortal’ Jellyfish, Right? Despite the immortal jellyfish’s incredible ability to potentially live forever, claiming it as the oldest living ...

What most of us would recognise as a jellyfish - the otherworldly, gelatinous aquatic animals renowned for their sting-filled tentacles - is actually just the final stage of these animals' life cycle.

With their unique glowing displays, jellyfish are among the most mesmerising creatures in the ocean. This bioluminescent ...

The infamous box jellyfish developed its frighteningly powerful venom to instantly stun or kill prey, like fish and shrimp, so their struggle to escape wouldn’t damage its delicate tentacles.

Floods had washed away the stinger warning signs on the bank of the Calliope River when 10-year-old Rachael Shardlow waded ...

Mucus from jellyfish that sit upside-down on the seafloor ... quite in the dark as to the nature of these curious bits of animal life.” The researchers found, however, that cassiosomes are ...

Armed with the ability to accept all cells as its own, comb jellies can merge with others to survive. Here’s how it works.

Portuguese men o' war are washing ashore at beaches in Volusia County. Laura Gordon, a FOX 35 viewer, shared the photo of the ...