Kim Knor has the kind of biography Hollywood blockbusters are made of—and has just notched a new milestone in her quest to keep living life to the fullest. 86-year-old Kim Knor completes her 1,000th ...

Extreme humidity and triple-digit temperatures are affecting around 250 million people across the United States. Here's the science behind the heat dome that’s stifling the nation. A sunbather rests ...

Thousands of slate artifacts found on the Tibetan Plateau showcase the resiliency of early humans as they fanned out of ...

Hawaiʻi Volcanoes National Park is sounding an unmistakable alarm as crowds surge to watch Kīlauea’s latest eruption, turning ...

Decades ago, India’s tigers were on the brink of extinction. Slowly, their numbers have rebounded. But that ecological success has prompted a dire problem—and a race to save many of them from genetic ...

In the last two years, National Geographic Explorer Paul Salopek traversed the Chinese countryside, marched along the Korean Demilitarized Zone and fended off grizzly bears in Alaska. Now, his ...

Climate change is speeding the spread of global pathogens. Can an early-warning system for animal viruses help stop pandemics before they start? During an expedition to the Southern Ocean, microbial ...

Selecting the best travel images from a year’s worth of fantastic photography is quite a challenge when the photographers have travelled to all corners of the world to document features for National ...

With a growing number of tour operators and cruise lines offering intrepid family voyages, expedition cruising is no longer just for grown-ups. From following in the footsteps of Charles Darwin in the ...

Beneath the cliffs of western Colorado, a billion years of geologic history unfolds—and a century-old dream of accessibility still shapes the land. Located near Grand Junction, Colorado, the Colorado ...

A study of marine parks spanning Mexico to Ecuador found key differences that allow ecosystems to flourish. Seen from above the ocean surface, the tiny island of Roca Partida in Mexico's Revillagigedo ...