PEOPLE has an exclusive first look at "Ocean with David Attenborough," a new National Geographic documentary featuring the 99-year-old naturalist exploring how to protect the world's oceans.

When it comes to cardiovascular exercise, running is in a class of its own. It's a sport that has endured millennia—the oldest and once only Olympic event was a sprint known as the stadion ...

Spending time in nature is important for your mental health. But studies show that even just listening to birds singing can ease symptoms of anxiety and depression. A European robin, Erithacus ...

New research reveals that people aren’t just imagining it—dogs and their owners share striking similarities, from matching hairstyles to mirrored temperaments. Hope, an Afghan hound, sports ...

Taking a blobfish out of water is like “heating something that’s glued together and the glue starts to melt.” The blobfish went viral with this photo, but underwater they look like a ...

There is the partnership between photographers, writers, and story teams in the office, who collaborate to bring a National Geographic story to the screen or page, and of whom only the ...

The hidden wonders of long-vanished cities that once housed kings and hummed with everyday life are being rediscovered thanks to modern-day archaeology. Tel Megiddo in Israel holds the outlines of ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

Sartore is a National Geographic Explorer, wildlife photographer, and conservationist. In 2006, Sartore founded the Photo Ark project to show the world the beauty of biodiversity and inspire ...

“We don't know how long they live or how fast they grow in the wild,” says Tierney Thys, a marine biologist with the California Academy of Sciences and a National Geographic Explorer.

To honor Koko's memory, National Geographic is republishing "Conversations With a Gorilla," our October 1978 cover story written by Francine Patterson, the psychologist who taught Koko how to sign.

But it might be something different.” The nonprofit National Geographic Society, committed to illuminating and protecting the wonder of our world, funded Explorer Aaron Micallef's work.