A new technique that peers into our planet's deepest interior suggests that Earth's heart isn't all that it seems. We know little about Earth's core structure and composition, and studying it is a ...

Is Earth's inner core solid or liquid? While the inner core is extremely hot, experts have known that it is solid for many years. For decades, scientists have known the inner core is solid thanks to ...

Picture all of Earth’s oceans, which cover about 70% of the planet and are mostly made of hydrogen. Now multiply that by nine. That may be the amount of hydrogen in Earth’s core, possibly making it ...

New research suggests giant structures beneath Earth's mantle significantly influence the planet's magnetic field over long ...

Cartoon of the Earth with cutaway showing the mantle and inner and outer core. Magnetic field lines produced by the geodynamo extend into space and interact with the solar wind. The iron-rich core at ...

Earth is the only planet known to support life. Learn about what Earth is made of and where it came from. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

A study by researchers at the University of Oxford, University of Leeds, and University College London has identified a new constraint on the chemistry of Earth's core, by showing how it was able to ...

Scientists used a new technique to estimate the abundance of hydrogen in Earth’s core. - Tumeggy/Science Photo Library RF/Getty Images Picture all of Earth’s oceans, which cover about 70% of the ...