For years, the oldest widely accepted cave art came from Spain, where mineral crusts dated paintings to more than 64,000 years. That work also relied on uranium decay in crusts, so it offered a ...

Earth's surface is covered by more than a dozen tectonic plates, and in subduction zones around the world—including the ...

A chunk of rock that blasted off Mars and crash-landed on Earth is turning out to be one of the richest archives of ancient Martian water ever found. New scans of the famous “Black Beauty” meteorite ...

A rock face on the Monte Conero anticline holds many paddle-like footprint tracks packed together on one surface, likely made ...

The oldest crystals formed on Earth contain signs that continents existed during the Hadean Eon and were being subducted into the mantle more than 4 billion years ago. If true, this would not only ...

Parts of ancient Earth may have formed continents and recycled crust through subduction far earlier than previously thought.

As demand — and competition — for critical minerals used in clean technologies heats up around the world, mining startups are ...

Travertine is not only a geological wonder but also a popular building material. Its use dates back to ancient Rome, evident ...

Rick Squire’s background as a geologist helps him identify value in ASX mining stocks, with rare earths and uranium now on ...

The free event at Kino Sports Complex features more than 200 vendors selling gems, minerals, fossils and jewelry from around ...

As worldwide demand for rare earth elements and other similar minerals rises – as do tensions among the United States, China and now Greenland – South Dakota is experiencing its own debate over its ...