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

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

Researchers say they might have discovered the oldest rocks on Earth. The rocks in question are a belt of swirly, stripe-covered rocks found in the northeastern reaches of Canada. These rocks appear ...

Energy Secretary Chris Wright went to Wyoming last week to cut the ribbon on the first new rare earth mine in the U.S. since the 1950s. Telling the assembled guests and reporters that the “Brook Mine” ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The view from the Nuvvuagittuq greenstone belt, Nunavik, Quebec, Canada. - Jonathan O’Neil A rocky outcrop in a remote corner of ...

Test your rock & mineral smarts—are you a Rock Star? Think you know rocks and minerals? Take the Science Trek quiz! Test your smarts on gold, salt, Earth’s oldest rocks, gemstones on Mars, and the ...

Discover how rocks, minerals & the rock cycle change your world. Join the Science Trek team to explore rocks and minerals! Discover how the Earth formed, the three types of rocks, the rock cycle, and ...