Tiny zircon crystals are revealing that Earth’s earliest history may have included surprisingly complex tectonic activity.

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Learn about the continent-sized rocks hidden deep within Earth's mantle that have influenced the magnetic field for millions of years.

Scientists now understand why seismic waves speed up near Earth's core. Extreme pressure and temperature cause solid mantle rock to flow slowly, aligning mineral crystals. This anisotropic structure ...

Pink boulders led scientists to a massive granite formation buried under Antarctica’s ice, solving a decades-old geological ...

Scientists at the University of Southampton have uncovered evidence from ancient rocks that Earth's climate continued to ...

Even when Earth was locked in a global deep freeze, its climate may have kept moving. Ancient rocks reveal seasonal and decade scale cycles beneath the ice during Snowball Earth.

A lot of the rocks we have on Earth are pretty old, but none of them were around when our planet was first formed. The Earth itself is around 4.5 billion years old, and the oldest rocks we’ve ever ...

Ancient Scottish rocks prove Earth had seasons and climate cycles even during Snowball Earth period despite near total ...

"HEY! DID YOU KNOW THAT MACQUARIE ISLAND IS HOME TO SOME OF THE WORLD'S OLDEST ROCKS?" "I DID NOT! WHY ARE WE YELLING?" "I DON'T KNOW, WE'RE SEALS" Hullwarren/Wikimedia Commons When’s the last time ...