MADISON — Parts of the ancient Earth may have formed continents and recycled crust through subduction far earlier than previously thought. New research led by scientists at the University of Wisconsin ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

For centuries, scientists have tried to answer the question, “What’s the Earth made of?” While drilling projects and geological studies have revealed clues about the planet’s crust, the deeper layers ...