This article was originally published with the title "Cosmological Antigravity"
ABOUT THE AUTHOR(S)
Lawrence M. Krauss
Lawrence M. Krauss is director of the Origins Project and Foundation Professor in the School of Earth and Space Exploration at Arizona State University. A widely-published theoretical physicist and cosmologist, he is also the author of bestselling books including A Universe from Nothing. Krauss is also a member of Scientific American's Board of Advisers.