Prehistoric time line, geologic time scale, photos, facts, maps, and more from National Geographic. Humans have walked the Earth for 190,000 years, a mere blip in Earth's 4.5-billion-year history.

Known today as the “Black Belt,” the southeastern United States was once covered by an ancient sea—one that continues to shape modern history. Frank Toland is a park ranger for Tuskegee ...

The inaugural 'National Geographic 33' list includes the likes of Don Cheadle, Selena Gomez, Sterlin Harjo, Michelle Yeoh and Jason Momoa.

Adjust the timeline below to measure the average person’s daily consumption of meat. This interactive was built in conjunction with National Geographic’s Future of Food series. The data was ...