Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest?

In 2008 scientists reported that rocks in Canada were the world’s oldest. New data appear to confirm this contested claim ...

Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The Nuvvuagittuq ...

This gneiss rock has a beautiful striped pink and black pattern, with little flecks of white. Local Minnesotan monuments and buildings are sometimes made of this iconic stone, which is older than ...

This crag, an eye-catching expanse of gneiss rock near Tram Stop 1, makes a perch for saguaros. Cracks in the cliff face are geologic features known as joints. Dean Knuth/Arizona Daily Star ...

Geologist Michael Ackerson holds a sample from Canada's Acasta Gneiss formation, home to some of the oldest rocks on the planet. Michael Ackerson We know Earth is old. Scientists estimate that our ...

Yellow Aster Gneiss. Season 5 Episode 7 | 5m 41s Video has Closed Captions | CC. Oldest North Cascades bedrock, a 400-million-year-old tale from European origins. 01/18/2024 | Expires 12/06/2025 ...

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 ...

Goa may be embedded with India’s oldest rocks, trondhjemite gneiss, but the tiny state is also one of the most geologically diverse regions. If you traverse Goa’s 3,702-square-kilometre ...