Earth's inner core may be more complex than researchers thought - World Research Council

Study of Earth's inner core reveals a 'planet within a planet' - Study Finds

COSPAR - Committee on Space Research

There's Another Core Within Earth's Core, Scientists Discover

Earth's inner core might have its own innermost core

Climate, Free Full-Text

The Earth's core is younger than previously believed, according to new research

Earth's Solid Inner Core Makes Life on Planet Possible, New Research Shows

Relics of huge primordial collision reside in Earth's deep interior

Researchers peer into Earth's inner core: Data show solid metal sphere is 'textured

Earth's core may be cooling faster than scientists thought – DW

Earth's Solid Inner Core Makes Life on Planet Possible, New

Mysterious new substance possibly discovered inside Earth's core