President-elect Donald J. Trump is a transformative figure in contemporary American politics. Despite being impeached twice, indicted and convicted, he has been elected to the presidency for a second ...

Ancient plate tectonics in the Archean period differs from modern plate tectonics in the Phanerozoic period because of the higher mantle temperatures inside the early Earth, the thicker basaltic crust ...

For decades, scientists have accepted a particular theory regarding the evolution Earth’s plate tectonics, but a recent study published in Nature Geoscience could defy this as a team of researchers ...

W. Jason Morgan, a Princeton University geologist who laid out an influential new vision of our evolving planet, attributing the most powerful upheavals — earthquakes, volcanoes and the formation of ...

W. Jason Morgan, who in 1967 developed the theory of plate tectonics -- a framework that revolutionized the study of earthquakes, volcanoes and the slow, steady shift of the continents across the ...

William Jason Morgan, a leading scholar of plate tectonics and mantle movements, died on July 31 in his sleep, at the home he shared with his daughter and her family. He was 87. Morgan, Princeton ...