The work was done by Haruki Takezawa and Kei Hirose at the University of Tokyo and colleagues, who suggest that Earth’s core could host a vast reservoir of primordial helium-3 – reshaping our ...

Scientists have uncovered new information about the Earth's core: it may not be completely solid. Instead, its center may be more malleable than expected and has changed shape in recent years.

Over time, Earth's interior—which is made mostly of silicate rocks and metals—differentiated into four layers. At the planet's heart lies the inner core, a solid sphere of iron and nickel that ...

Physicists suggest a new explanation for the interesting properties of the Earth's inner core. Credit: NASA / Getty Images According to a new "holy grail" scientific discovery, the blazing-hot ...

While those characters may have discovered a beautiful and mysterious world deep down, a new study published in Nature Communications suggests that the Earth’s true core is probably just a 400 ...