The dance of the continents has been reshaping Earth for billions of years, creating the landscapes we walk on today. Scientists are unlocking secrets about how plate tectonics forged our modern world ...

A new study of the chemical components of rocks led by researchers at Penn State and Columbia University provides the clearest evidence yet for how Earth's continents became and remained so stable — ...

Remarkably, the shorelines of Africa and South America reflect each other almost perfectly, an extraordinary discovery that ...