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 ...

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 ...

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 ...

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 ...

New research from Adelaide University has revealed that geological processes dating back billions of years are critical to ...

A remote outcrop in Canada harbors rocks that are at least 4.16 billion years old, researchers report June 26 in Science. If true, these rocks would be the oldest known on Earth and the first to date ...

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Do you know a child who finds endless wonder in nature and expresses that wonder by collecting EVERYTHING, from shells to sticks to rocks? Exploring and collecting are signs of intellectual curiosity.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Gold and other ...

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” ...