The deepest known point in any of the world’s oceans is Challenger Deep, a section of the Mariana Trench that plunges to about 36,070 feet (10,994 meters). It’s an extraordinary place on Earth. While ...

The vast array of organisms in the deep sea remains a mystery to humans. Now, marine biologists can add one more puzzle to the list. A collection of odd materials was discovered nearly four miles ...

Sleeper sharks live extraordinarily long lives and can thrive in near-freezing ocean temperatures near Earth's poles.

National Geographic has revealed the Pictures of the Year 2025, highlighting images by Nat Geo photographers that inspired and defined the past year. This year's showcase features 25 images that cover ...

One of the most impressive experiences you can have with wildlife kicks off with a shouted command. "Come on, come on, come on -- into the water," guide Georgia Clements yelled to her guests.