The ocean covers more than 70 percent of Earth’s surface, yet we’ve explored less of it than we have the surface of the moon.

Across the world’s oceans, a group of fish blend into rocky bottoms and coral reefs, waiting in ambush for prey to cross their path. They hunt at night, lurching out of the rocky outcrops toward ...

What's the rarest ocean animal? Discover the rare and endangered ocean animals along with those that are rare because they're ...

Notable sightings along the way included the discovery of an extensive crinoid meadow at a depth of 9,100 meters (29,855 feet ...

Earth's vast oceanic biodiversity remains largely unexplored, with only a fraction of an estimated two million total living ...

The most striking feature of the Pacific Barreleye is, without doubt, its transparent, fluid-filled head. Through this clear ...

Sea creatures have adapted to help them thrive in extreme environments. Unusual features allow them to live thousands of feet below the surface. Underwater robots give researchers a glimpse at some of ...

Scientists say sea monster is a new kind of animal. This unidentified specimen belonging within Relicanthidae is a sea creature that was previously thought to be a giant sea anemone (order Actiniaria) ...

Given how underexplored the Pacific Ocean is, it is not surprising that new species are being discovered every time a manned or unmanned deep-water submersible is launched to document the species ...

Some 6.2 million years ago, the Red Sea basin was not recognizable as the deep blue waters of the ocean it is now. Instead, it was a desolate wasteland, cut off from Earth’s oceans, and inundated by ...

There’s a new fish in town off the western coast of Australia. Corey Serravite via Unsplash Across the world’s oceans, a group of fish blend into rocky bottoms and coral reefs, waiting in ambush for ...