Bad Astronomy, Earth's inner core may have a mushy upper layer

Earth's inner core may have a mushy upper layer.
Earth's inner core may have a mushy upper layer.

Earth's inner core may have started spinning in opposite direction

Earth Has Been Hiding A Fifth Layer In Its Inner Core

Earth's Inner Core Could Oscillate Over A Six Year Cycle

Challenging assumptions: The 8.5-year rhythm of Earth's inner core

Earth's Inner Core Could Oscillate Over A Six Year Cycle

Mars - Wikipedia

Earth's 'innermost' inner core may be hiding its solid fifth layer

Tales From the Deep Earth, News

Earth's Inner Core Could Oscillate Over A Six Year Cycle