Hike through secret slot canyons, spot endangered California condors, visit sacred Navajo sites, and kayak a stunning 10-mile ...

Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around ...

With the Sonoran Desert serving as its dramatic backdrop, this Arizona city invites visitors to experience a real taste of Western culture.

As NASA prepared astronauts for its second mission into space, National Geographic had exclusive behind-the-scenes access for ...

Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

In this newsletter, beavers that parachute; the crab population off Alaska falls; fox vs. frog ... and nearly 500 species of ...

The Grand Canyon is a gigantic geological library, with rocky layers that tell much of the story of Earth’s history.

Researchers have generally thought that only prehistoric males hunted—but what if evidence against that idea has been lying ...

This story originally published in the September 1999 issue of National Geographic magazine. See more digitized stories from our archives here. In the medical room far behind the chutes, cowboys were ...

The plucky humpback chub has weathered dams and invasive species, but climate change and a dwindling river flow pose new ...

Experts detail the benefits of swimming, from strengthening your muscles to reducing inflammation and boosting your mental ...