For more than 60 years, the ginkgo-toothed beaked whale (Mesoplodon ginkgodens) was one of the ocean’s greatest mysteries.

Despite crushing pressure, total darkness and near-freezing temperatures, researchers found an underwater world teeming with life.

Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

A mining-machine test on the deep-ocean floor resulted in species diversity declining by roughly 32% in the tracks of the ...

Scientists have long assumed the deep-sea Alicella gigantea was an uncommon survivor of the abyss.

NEW YORK (AP) — An underwater voyage has revealed a network of creatures thriving at the bottom of deep-sea ocean trenches. In these extreme environments, the crushing pressure, scant food and lack of ...

Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

Scientists discovered deep Arctic methane mounds that release gas, shape ecosystems, and inform climate risks.

The mid-ocean ridge runs through the oceans like a suture. Where Earth's plates move apart, new oceanic crust is continuously ...