Earth cross section showing the classic distinction between crust, mantle and core. But new research shows Earth's structure is far more complicated and may change over time. Analyzing an unusual ...
Cross-sections of Earth's mantle down to 1,400 km depth showing changes in its flow as ancient ocean beds fall into Earth's deep interior. Disclaimer: AAAS and EurekAlert! are not responsible for the ...
Cartoon cross section of the Earth showing the mantle, outer core and inner core. Convection in the outer core produces Earth's geomagnetic field. The properties of Earth’s iron-rich core are key to ...
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