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.

A massive, cutting-edge undersea scanning project has created the first high-res, 3D digital twin of Titanic for an unprecedented immersive investigation.

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 ...