James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

A layer only a few to a few dozen kilometers thick may be draped across the boundary between Earth’s core and mantle, and ...

Seismic studies from Antarctica suggest a widespread layer of ancient ocean floor may coat the core-mantle boundary, while other research identifies a distinct zone deep within the solid inner core.

Far below your feet, nearly 1,800 miles beneath oceans and continents, Earth carries two massive scars from its violent youth. They are so large they rival continents in size, yet no human will ever ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? A new study analyzing decades of seismogram data shows that physical changes can ...

Earth’s inner core has both changed its relative rotation rate and deformed in the past few decades, according to an analysis of seismic waves recorded when the inner core occupied the same relative ...

A new scientific revelation reveals that deep in the Earth’s core lies a good amount of hydrogen as well as a large amount of iron. While the iron in the core has always been recognized as dominant, ...

The illustration shows a cutaway revealing the interior of early Earth with a hot, melted layer above the boundary between the core and mantle. Scientists think some material from the core leaked into ...

The oceans are the largest entity on Earth’s surface. All that blue, however, may be dwarfed by an immense reservoir of hydrogen concealed in the planet’s heart. Experiments indicate that enough ...