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

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

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

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

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.

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

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

Hidden among coral reefs and colorful marine vegetation, this tiny sea slug reveals an astonishing world of underwater beauty ...

A well-worn expression among oceanographers and others who explore the watery depths of planet Earth is that we humans “know the surface of Mars better than our ocean floors.” Covering more than 70 ...

Scientists in a recent breakthrough have discovered a tiny Antarctic sea creature that could help in fighting against ...

Sightings of a sea creature with an extremely painful string have been reported in Galway, with the public being urged to ...