Deep inside Earth, researchers see signs that the solid inner core may be arranged in multiple chemical layers far below.

The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.

Scientists have discovered that Earth’s core is leaking into the mantle, and it’s raising some big questions. 🌍 The core, made mostly of iron and nickel, is supposed to stay locked away deep inside ...

Deep beneath our feet, at a staggering depth of over 5,100km, lies Earth's inner core — a solid ball of iron and nickel that plays a crucial role in shaping the conditions we experience on the surface ...

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Earth's core cannot be made just of iron — it also appears to contain carbon. And our research suggests it may contain a bit of oxygen and possibly silicon as well. When you purchase through links on ...