Earth sciences: Quick Facts

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Last updated

Nov. 3, 2026

News •

Scientists discover a hidden oxygen reservoir deep inside Earth • Oct. 28, 2026, 9:14 PM ET (Science Daily)

NASA Prepares ROSES-27 to Advance American Science and Leadership in Space • Oct. 20, 2026, 3:02 PM ET (NASA Science (.gov))

Photos

Diagram explaining Steno's four laws of stratigraphy in geology, with labeled illustrations for the law of superposition, original horizontality, cross-cutting relationships, and lateral continuity, showing how rock layers form and are altered.

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Key People

Guyot, Arnold Henry

Arnold Henry Guyot

American geologist

Cross section of Earth showing the core, mantle, and crust

The Solid Earth Quiz

Michael Faraday (L) English physicist and chemist (electromagnetism) and John Frederic Daniell (R) British chemist and meteorologist who invented the Daniell cell.

Faces of Science

Michael Faraday (L) English physicist and chemist (electromagnetism) and John Frederic Daniell (R) British chemist and meteorologist who invented the Daniell cell.

Faces of Science

iceberg illustration.

Nature: Tip of the Iceberg Quiz