Space & PhysicsMarch 1, 2015
Earth's Water May Have Come from Comets, Asteroids or Something Else Entirely
To discover the origin of the oceans, scientists are investigating our solar system’s farthest reaches and earliest moments
Stories by Edward D. Young
Edward D. Young is a professor of geochemistry and cosmochemistry and a member of the Institute for Planets and Exoplanets at the University of California, Los Angeles. He searches for clues to the origins of the solar system by studying the chemistry of meteorites, the interstellar medium and other stars, using sophisticated laboratory instruments and the world's largest telescopes.