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 strong, 6.3-magnitude earthquake struck in the North Pacific Ocean near Ecuador on Friday, according to the United States ...

Smith’s map and ideas paved the way for a better understanding of geological time and laid the founding principles for geological surveys worldwide. His concept of using fossils to identify rocks is ...

Scientists leveraged a global camera network and doorbell cameras to track dozens of meteorites to their asteroid families.

A moderately strong, 5.1-magnitude earthquake struck in Australia on Wednesday, according to the United States Geological ...

“Geologic maps are a public good,” the authors write. “They can be used by many people at the same time without being ‘consumed.’” Geological maps reveal the age, type, and structure ...