Smithsonian Voices

From the Smithsonian Museums

Two men sit on a rock bed on top of a forested hill over looking a remote lake.

Searching for Earth's Oldest Rocks: Follow a Smithsonian Expedition to the Remote Northwest Territories

High in the Canadian wilderness, Smithsonian scientists search for ancient minerals that could explain the origins of the continents, oceans and life on Earth

A slab of multicolored, sedimentary rock is pictured with vibrant trees and water surrounding it.

Meet the Scientist Venturing to Remote Canada in Search of the Earth’s Oldest Rocks

Zircons are the oldest minerals in the world and come in colors like the rich blue above. Researchers have now used these gemstones to identify when modern plate tectonics began. (Ken Larsen)

New Study on Zircons Finds Plate Tectonics Began 3.6 Billion Years Ago

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Scientists at the National Museum of Natural History Discover Two Squirrel Species Long Obscured by Mistaken Identities

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