Despite seeming like a relatively stable place, the Earth's surface has changed dramatically over the past 4.6 billion years. Mountains have been built and eroded, continents and oceans have moved ...

He joined the Department of Earth and Environmental Sciences at the University of Rochester in 1993, where he founded the paleomagnetism laboratory. He has served as co-chief scientist on an ocean ...

The study, led by Sarah Steele, a graduate student at Harvard University's Griffin Graduate School of Arts and Sciences, used computer simulations and principles of paleomagnetism to estimate the ...