The Great Unconformity is a major gap in Earth's geologic record. The missing layer between Precambrian and Cambrian rocks ...

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“There’s more than a billion years that’s gone,” said Barra Peak, co-author of a 2021 study on this puzzling gap in Earth’s ...

Scientists have discovered vast microbial life deep within Earth's solid rock, challenging previous beliefs. These organisms, ...

Mysterious parallel microtunnels discovered in rock defy geology and could be the work of unknown microscopic ancient life.

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name “Hadean” comes from the Greek god of the underworld, reflecting the extreme heat that likely ...

Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The Nuvvuagittuq Greenstone Belt has long been known for its ancient rocks — plains of streaked gray ...

Deep beneath the surface of distant exoplanets known as super-Earths, oceans of molten rock may be doing something extraordinary: powering magnetic fields strong enough to shield entire planets from ...

"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 ...