It was Wednesday evening at Best Video on Whitney Avenue, and Gneiss Ensemble was just starting into its set. With a gesture from Anne Rhodes on voice, Tahj Galberth on clarinet, Cliff Schloss on ...

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 — ...

The Acasta Gneiss is known as one of the oldest rocks on the Earth, estimated to be about 4 billion years old, located in the ...

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 ...

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 ...

… but our independent journalism isn’t free to produce. Help us keep it this way with a tax-deductible donation today. Morton gneiss (pronounced “nice”), named for the town in Renville County where it ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

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 ...

Oldest North Cascades bedrock, a 400-million-year-old tale from European origins. The oldest bedrock in all of the North Cascades sits high in the mountains near the Canadian border. Its origin story ...