A representation of the underground imaging used in the study. (Edward Garnero and Mingming Li/Arizona State University) The ...
Earth cross section showing the classic distinction between crust, mantle and core. But new research shows Earth's structure is far more complicated and may change over time. Analyzing an unusual ...
Deep beneath our feet lies one of the most important parts of our planet: Earth’s core. Hidden thousands of kilometers below ...
Scientists have long known that Earth's core is mostly made of iron, but the density is not high enough for it to be pure iron, meaning lighter elements exist in the core, as well. In particular, it's ...
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 ...