Tackling the John Muir Trail at night with only stars and moon to light the path, a veteran hiker experiences the popular 200-mile trail in a new—and wilder—way.

Phuket, Mexico City, Willamette Wine Country in Oregon and South Africa’s Kruger National Park are among the places that ...

Jane Goodall, whose lifelong work as a primatologist helped broaden the world’s understanding of animal behavior and emotions, has died, her institute said Wednesday. She was 91.

Then there’s Death Valley, a desert that claims the world-record high of 134 degrees and bears geographic names like Hells ...

This story by Public Health Watch is part of a collaboration with Univision 45 in Houston. HIGHLANDS, Texas—Eight months ago, ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

National Geographic helped the famous conservationist get her start—and followed her chimpanzee research and advocacy for wildlife in a career that forever changed how we understand animal behavior.

President Obama creates a national monument in Delaware, finally bringing the National Park Service to all 50 states.

Though Mercury is the closest planet to Earth, it’s one of the hardest to reach. Any spacecraft heading inward must fight the ...

Part 1 explores mercury’s long and complicated story from ancient alchemy to modern industry and why it’s both useful and ...

It's not just UV damage: Pollution and rising temperatures can cause everything from fine lines to eczema flare-ups. We asked experts how you can protect yourself. A woman's skin on her back is ...

On assignment in northern Thailand, National Geographic photographer Rena Effendi follows Miss Wisa, a farmer leading her community toward a more resilient and sustainable food future. Miss Wisa uses ...