The geological history of Earth follows the major geological events in Earth's past based on the geologic time scale, a system of chronological measurement based on the study of the planet's rock layers …

Geology.com is one of the world's leading portals to geology and Earth science news and information for rocks, minerals, gemstones, energy, volcanoes, earthquakes, careers, geologic hazards, and more.

Nov 10, 2025 · Learn about the structure of the Earth, its crust, mantle, and core. Discover how heat, pressure, and convection shape our dynamic planet from within.

Geologic history of Earth, evolution of the continents, oceans, atmosphere, and biosphere; the layers of rock at Earth’s surface contain evidence of the evolutionary processes undergone by these …

The USGS provides accurate geologic maps and geologic information that forms the critical framework for understanding everything from environmental change to natural hazards.

Mar 19, 2026 · Fields of geology range from the initial formation and differentiation of the Earth to modern surface processes, such as erosion and soil formation, and include Earth system history and …

Geology Geology understands how landforms were created, have changed over time, and how they will evolve. Learn more about the geologic history of Earth and more.

Aug 8, 2023 · Geology is the scientific discipline dedicated to understanding the physical features and processes of Earth, as well as the history of the planet and its inhabitants since its origin.

1 day ago · NASA is an exploration agency, and one of our missions is to know our home. We develop novel tools and techniques for understanding how our planet works -- for the benefit of humanity and …

Diagram of geological time scale. The geological history of Earth began 4.567 billion years ago, when the planets of the Solar System were formed out of the solar nebula, a disk-shaped mass of dust and …