Tourists swim in a cenote, or flooded cave, outside Playa del Carmen, Mexico. The Yucatan Peninsula is dotted with thousands of these interconnected limestone caves, which are fed by a ...

For centuries, humans have lived underground. Today, that ancient practice is under dire threat—even as cave life makes more sense than ever. Gabriele Gouellain waits in the kitchen of her ...

It’s dangerous. It’s toxic. And it may provide hope for millions in agony. Pain management is among the most commonly reportedly reasons for medical cannabis use, but side effects have stymied many ...

We know next to nothing about 99.999 percent of the seafloor. How one researcher plans to democratize deep-sea exploration. Katy Croff Bell, who has been an ocean researcher for 25 years, is working ...

(CNN) — Sexual behavior is one reason why female mammals typically live longer than their male counterparts, according to a new study. Researchers from Germany, Denmark, France, Hungary and Belgium ...

G Adventures and National Geographic Expeditions have further strengthened their decade-long partnership with the launch of a new premium lifestyle collection, National Geographic Signature with G ...

Spend the night in locations guaranteed to thrill, from pods dangling off a cliff to underground rooms in an old mine. If a series of transparent capsules suspended 1,300ft above Peru’s Sacred Valley ...

From bear-watching in British Columbia to surfing breaks in Tahiti, adventure awaits in all corners of the world. Here’s how to find one that suits your fitness level and budget. Torres del Paine is a ...

This story originally published in the July 1906 issue of National Geographic magazine. See more digitized stories from our archives here. Looking back to that period, many years ago, when the finger ...

"Cleopatra's Final Secret" reveals exciting discoveries in the search for the burial grounds of ancient Egypt's last ruler. LOS ANGELES -- She lived as the last ruler of ancient Egypt, but little is ...