Christopher S. Kochanek is an astronomy professor and Ohio Eminent Scholar in Observational Cosmology at Ohio State University in Columbus. He is an expert in cosmology.

Marco Cavaglià is assistant professor of physics and astronomy at the University of Mississippi in Oxford. His research interests include cosmology, string and M-theory cosmology, and quantum cosmology.

Robert J. Scherrer is a professor and chairman of the department of physics and astronomy at Vanderbilt University in Nashville, Tenn. His research focuses on cosmology and the structure of the universe. He also blogs about science and science fiction and is an expert on the big bang theory, dark matter and dark energy.

John F. Hawley is a professor and chairman of the astronomy department at the University of Virginia in Charlottesville. He co authored Foundations of Modern Cosmology (2nd edition, 2005).

Amber Miller is associate professor of physics at Columbia University in New York, N.Y. She leads the Columbia University Experimental Cosmology group, which studies “relic signatures from the Big Bang with the goal of understanding the origin and evolution of the universe.” She teaches a course titled “Physics for Poets” and is interested in the interface […]

John P. “Jack” Hughes is a professor of physics and astronomy at Rutgers, The State University of New Jersey, in Piscataway. He teaches courses on cosmology and astrophysics and can talk about the formation of galaxies.

Richard F. Holman is a physics professor at Carnegie Mellon University in Pittsburgh. He specializes in the intersection between cosmology and particle physics.

Priyamvada Natarajan is an associate professor in the departments of astronomy and physics at Yale University in New Haven. She studies cosmology and galaxy evolution.

Alexander Vilenkin is professor of physics and astronomy and director of the Tufts Institute of Cosmology at Tufts University in Medford, Mass. He is an expert on cosmic inflation, an emerging view on the evolution of the universe. Read an article he wrote about cosmic inflation. He is the author of several popular books on science […]