They're tiny, blobby, butt-shaped, and glow in the dark. What the heck are they? Scientists are still figuring them out.

A massive sea creature has been found in the Pacific Ocean near Malaulalo, Solomon Islands. The creature stretches over 100 feet wide and is 300 years old.

Among the myriad creatures that populate our ocean, some stand out as having an outsized impact on the marine environment—shaping and maintaining habitats that themselves sustain countless other forms ...

The huge monster-sized animal, measuring over 100 feet across, isn't a fish or even a marine mammal like a whale. It's a ...

The sinister-looking black creature depicted shapeshifting abilities by first morphing its mouth into a balloon and then ...

Scientists have spent a lot of time thinking about how the nutrients in whale feces—also known as whale pump—benefit species in shallow waters, as whales swim up from the deep sea, where they ...

Anglerfish, according to National Geographic, are (notoriously ugly) deep-sea creatures that live in “the lonely, lightless bottom of the sea.” So why are people “crying” over one?

National Geographic is giving some much-deserved recognition to the changemakers who help build a brighter future for the ...