Add Yahoo as a preferred source to see more of our stories on Google. Scientists recently unveiled the nation's newest "oldest known" rock — discovered in Michigan's Upper Peninsula. Michigan, ...

I’m sure you’ve noticed certain very localized areas -- sometimes not larger than a basketball court or maybe covering part of a mountainside -- where the ground is covered with a single species like ...

MinnPost’s journalists are out in the community to report on the things that are happening in Minnesota. Your support right now will help fund their work AND keep our news paywall-free. Morton gneiss ...

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 ...

The people at the Smithsonian Institution National Museum of Natural History were nice enough to give a couple members of the Chemistry in Pictures team a behind-the-scenes look at their mineral ...

After 40 minutes or so of skirting around enormous boulders, hurling myself up steep dirt trails, and staring slack-jawed at gigantic slabs of granite, I finally track down the echoing voices of two ...

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