Like a mosquito tunneling into the skin to get at the rich feast within, geologists poked a long, narrow drill into Earth's crust last year, pulling out a treasury of geological goodness. The result ...

Apart from the sun, its planets and their moons, our solar system has vast amounts of space rocks—fragments left over from the formation of the inner planets. A large concentration of asteroids forms ...

The center of Earth lies around 4,000 miles under our feet — but what lies beneath the outer crust and the inner core? When you purchase through links on our site, we may earn an affiliate commission.

While InSight’s seismometer has been patiently waiting for the next big marsquake to illuminate its interior and define its crust-mantle-core structure, two scientists, Takashi Yoshizaki (Tohoku ...

Our planet's core is rich in gold that can leak out into the mantle, and in some cases, end up in volcanos on the surface, according to a new study. When you purchase through links on our site, we may ...

Extreme chemical reactions could explain why Earth's middle layer has so much carbon. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The ...

Seismic waves created by earthquakes as they travel through the planet's interior change speed and direction as they move through different materials. Things like rock type, density, and temperature ...

History was made this month. No, not another indictment, or a candidate throwing a hat into the presidential race. For the first time, a drill penetrated into the Earth’s mantle and retrieved samples ...

Oceanic island hotspots — Hawaii and Iceland — are the final destinations of elemental isotopes from the beginnings of Earth, in concentrations found nowhere else on Earth’s crust. Until now, it was ...