Earth’s core, the deepest part of our planet, is characterized by extremely high pressure and temperature. It is composed of a liquid outer core and solid inner core. The inner core is formed and ...

Orsola De Marco received funding from the Australian Research Council. She is affiliated (non-executive director of the Board) with Astronomy Australia Ltd. a not-for-profit company serving Australian ...

So, it's believed that the Earth's core is mainly iron and nickel. These aren't, however, the heaviest elements in the Earth's chemistry. There are plenty of heavier elements like lead, thorium, ...