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.

The Marianna Trench is the deepest area of the ocean, and therefore one of the most mysterious underwater regions in the ...

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 ...

Freshwater and sea turtles may look similar, but neither one could survive in the other's territory for these reasons.

Crocodiles dominate in water with their stealthy movements and powerful tails. On land, they’re no slouches either, capable ...

The Atlantic Shark Institute's Baited Remote Underwater Video system recently spotted an enormous roughtail stingray off ...

Nighttime underwater photos show fish hanging out with jellyfish and anemones — perhaps seeking their protection.

'Ocean with David Attenborough' premieres on National Geographic on June 7 Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013. Her work has previously appeared on MTV ...

Scientists from the University of Washington recently deployed a little over 1 mile of fiber-optic cable in the Salish Sea to test whether internet cables can monitor endangered orcas. The ...

The artificial reef off Miami Beach will be an art installation, a restoration of the island's coral habitat and an ...

There are numerous ways scientists measure the impacts of climate change. Sometimes it’s by what they see, or maybe even by what they smell. In a recent case, it’s by what they hear. Whale calls. That ...

A six-year study off California’s coast shows how marine heat waves and noise pollution are silencing the ocean’s largest singers. Does saving the ocean start with hearing it? A blue whale swims near ...