Here's how Jorge the sea turtle prepared for the improbable journey—decades after he was found tangled in a fishing net off ...

He entered the 2017 National Geographic Nature Photographer of the Year contest to showcase his photography. ... using a remote timer to take pictures of the sea life in the area.

Where else would a species that spends its life upside down live but in the Southern Hemisphere? The newly discovered Antarctic sea anemone resides in burrows dug into the bottom of sea ice in the ...

The waters of the Pacific Northwest, starting in 2002, intermittently have gotten so low in oxygen that at times they’ve smothered sea cucumbers, sea stars, anemones, and Dungeness crabs.

This story appears in the May 2011 issue of National Geographic magazine. Not far beneath the surface of the Coral Sea, where the Great Barrier Reef lives, parrotfish teeth grind against rock ...

Learn more about the sea you can’t see with National Geographic Channel’s program Drain the Ocean, a virtual scientific expedition across the ocean’s floor. Related Topics DEEP SEA ...

The baby sea lions started washing ashore in high numbers in 2013. But the Pacific along the U.S. West Coast really got weird in 2014, when fishermen started catching ocean sunfish and warm-water ...

On the floor of the Mediterranean, Laurent Ballesta and three other explorers discovered amazing sea life, and signs of our impact on a mysterious landscape. MAGAZINE They spent 28 days under the ...

Your laziest days are positively frenetic compared to the lifestyle of some deep-sea bacteria, buried in the sediments of the Pacific Ocean. These microbes are pushing a slow-going lifestyle to an ...

When hundreds of eerily perfect circles were discovered on the bottom of the Mediterranean Sea, theories abounded about what they could mean. Four years of underwater research revealed a lost world.