The Wisconsin Science Festival hosted a Crossroads of Ideas event at UW on Oct. 22. to showcase a combination of geological ...
The Teton Fault System Creates the Foundation The Teton Fault began moving approximately 10 million years ago, triggering a ...
Some of the Earth’s oldest rocks may have formed from the high temperatures of meteorite impacts, a new study reports. Granite-like, or felsic, rocks in northwest Canada dating back to the Earth’s ...
What we know today as Sabino Canyon was the site of a whole lot of scrunching 25 million years ago. In a geologic nutshell: Two ancient types of rock - 1.4-billion-year-old Oracle granite and ...
Scientists recently unveiled the nation's newest "oldest known" rock — discovered in Michigan's Upper Peninsula. Michigan, Minnesota and Wisconsin all feature ancient rocks known as gneisses — ...
Scientists recently unveiled the nation's newest "oldest known" rock — discovered in Michigan's Upper Peninsula. Michigan, Minnesota and Wisconsin all feature ancient rocks known as gneisses — ...
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The oldest rocks on Earth

Earth has existed for 4.54 billion years, and during that time, our planet has undergone a number of violent transitions. This makes it difficult for researchers to find out what happened during Earth ...
This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...
Every year, earthquakes shake the ground and volcanoes erupt around the edges of tectonic plates—the massive pieces of Earth’s crust that slide slowly across the planet, creating and destroying ...
At the exit for Clairmont Road off northeast-bound I-85 in DeKalb County, a huge, looming mass of exposed rock — or road cut — is clearly visible to motorists at the end of the exit ramp. I have ...