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

Discover the incredible fossil of a 60-foot, kraken-like creature that challenges our view of ancient oceans. This ...

One of the most endangered sea creatures of the Pacific Ocean is getting a leg up in the kelp forests of Washington’s San ...

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

Imagine waking up as a completely different sex because your group needed you to. It sounds impossible, yet hundreds of fish ...

A fishing trip of the California coast last week produced an extraordinary catch: a type of octopus that constructs its own shell to ride ocean currents.

For 2,000 years sailors fled it as a sea monster. The giant oarfish is real, it's 36 feet long, and scientists barely know it ...

Residents of the Southern Tasmania city Hobart can probably tell you what it’s like, because for the past half-decade its ...

These demonic deep-sea creatures hunt in packs of thousands and are equipped with the perfect weapon to severe their prey’s ...

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

McCall’s Sharlie is not the only sea creature lurking in Idaho waters. The tale of the Bear Lake Monster has been told since ...