A transparent goby fish drifted through the darkness, its skeleton visible through paper-thin skin. Nearby, a sea slug wore ...

Getting enough oxygen in the water can be hard work. While fish and many other aquatic animals take air directly from the water through gills, other animals find ingenious ways to drag air bubbles ...

The 2020 Underwater Photographer of the Year contest (UPY) has just crowned its winners. More than 5,500 images were ...

The underwater world often feels like something from another planet. Life in the seas and oceans remains a mystery to those of us on the surface—not only fascinating but also breathtakingly beautiful, ...

On the way down, much is captured by filter-feeding animals, with the rest settling on the ocean floor as a thick, oozy layer ...

Watch future guide dogs react to aquarium animals 9-week-old seeing eye dogs explored Sydney’s SEA LIFE Aquarium, soaking in sights, sounds, and sea creatures to build confidence for their future ...

From giant stick bugs to rarely seen sea creatures, these animal videos fascinated us—and led to new scientific discoveries.