A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

A humanoid sea creature popularized in Japanese internet forums, the Ningen is an Antarctic cryptid that may have first been ...

Teetering near endangered status, the starlet sea anemone produces “an ancient mechanism” for fighting viruses that ...

Hidden beneath the water's surface is a botanical world that is among nature's most innovative and ecologically important.

A research expedition off the coast of Brazil has documented more than 30 new deep-sea species, from translucent worms to ...

Sightings of these peculiar fish have become more frequent in UK waters in recent years, possibly linked to warming sea ...

These real-life ocean animals were so terrifying to seafarers that they became embedded in history as legendary sea monsters ...

These spheres from the abyss conceal creatures with startling biology.