The first continents on Earth formed between 3 and 2.5 billion years ago. Geologists studying the oldest rocks found on Earth believe that partial melting, fueled by the heat released during the decay ...

Recent studies suggest Earth’s continents formed billions of years earlier than previously thought. A study published in Nature Communications reveals evidence of active tectonic processes during the ...

Microscopic zircon crystals discovered in Western Australia suggest that Earth may have had continental crust as early as 4.4 billion years ago, millions of years earlier than previously thought. For ...

Geoscientists have uncovered a missing link in the enigmatic story of how the continents developed- - a revised origin story that doesn't require the start of plate tectonics or any external factor to ...

Earth could once again be dominated by a single continental mass in roughly 200 to 250 million years. The planet moves through natural cycles in which continents break apart and later reassemble, and ...

CHICAGO — The fossil skull of a peculiar, wrinkle-faced dinosaur unearthed four years ago in the Sahara is providing new evidence that Africa split from the other southern continents more recently ...

The Mid-Atlantic Ridge in Iceland. This area is the boundary between the North American and Eurasian tectonic plates, which move apart ~ 2.5 cm/year. Subduction and the formation of continents, a ...

Seismic imaging has exposed two massive zones hidden deep in Earth’s mantle. These giant blobs, known as large low-velocity provinces, or LLVPs, stretch beneath Africa and the Pacific. They are so ...

Researchers have made a new discovery that changes our understanding of Earth's early geological history, challenging beliefs about how our continents formed and when plate tectonics began. A study ...