Imagine living in a world where becoming male or female is not something fixed for life. Instead, it changes depending on who ...

This video features a cuttlefish swimming above a vibrant coral reef in the tropical waters of Raja Ampat, Southwest Papua, ...

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

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

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 ...

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.

Stunning views to one of the Maldives’ largest overwater hydrotherapy pools — this bucket-list wellness sanctuary redefines ...

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

When you picture Southern California’s wildlife, you may think of mountain lions or sea lions, but tucked away in our local ...

Urokodia aequalis, an early Cambrian marine predator from the Chengjiang biota of China, preserves the earliest known evidence of chelicerae -- the pincer-like structures that later evolved into the ...

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