No brain, no problem. Despite their simplistic make-up, jellyfish use a decentralized system to navigate their environments. Read more.

It's a rule of thumb -- or fin -- for the ocean: The deeper you dive, the weirder things get. Now, a new exhibit lets visitors jump straight into the strangest layer of the ocean, bringing the ...

The cells of transparent sea creatures called comb jellies contain special fat molecules that allow the animals to live at extreme depths in the ocean 1. Some species of comb jellies (phylum ...

Many creatures make their homes above ocean vents, but life underneath the surface was just discovered. Screengrab from Schmidt Ocean Institute YouTube video Deep under the sea, the molten core of the ...

It was a mystery. These strange, tropical organisms showed up en masse, clogging nets and intriguing scientists. “I had to look up pyrosomes for the first time. I had seen one once way off shore and ...

One of the most abundant pelagic sharks in the world has been shown to ingest both plastic and non-plastic fibers, which ...

Climate change is making ocean water more acidic. A new study suggests that a drop in pH could erode sharks’ teeth.