Scientists find evidence of a new layer at the Earth's inner core
Researchers are still discovering more about the Earth's center. A team at Australian National University (ANU) has found evidence of a new layer to the planet sitting within the inner core. This "innermost inner core" is an iron-nickel alloy ball that, as professor Hrvoje Tkalčić explains, is a "fossilized record" of Earth's ancient history. Until […]