Space Science And AstrobiologySpace Science HomeOverviewWho We AreAstrophysicsPlanetary SystemsExobiologyWhat We DoHow We WorkMoreAmes Science DirectorateAmes Research Center Planetary Systems Branch (STT) Luke Sollitt Branch Chief, Planetary Systems Amanda Brecht Deputy Branch Chief/Research Scientist Sandra Owen Assistant Branch Chief Andrew M. Annex Planetary Scientist Courtney M.L. Batterson Associate Research Scientist Ross Beyer Research Scientist Jennifer Blank Nathalie Cabrol Researcher Doug Caldwell Carrie Chavez Research Assistant Anthony Colaprete Principal investigator on the LCROSS mission Jeff Cuzzi Principal Investigator Ariel N. Deutsch Planetary Scientist Rick Elphic Planetary Scientist Paul Estrada Richard Freedman Uma Gorti Jennifer Heldmann Research Scientist Jeff Hollingsworth Planetary Scientist Peter Jenniskens Research Scientist Vandana Jha Space Scientist Melinda Kahre Space Scientist, Lead of the Mars Climate Modeling Center Michael Kaufman Alina Kunitskaya NASA Postdoctoral Program Fellow Darlene Lim Research Scientist Jack Lissauer Staff Scientist Garrett A. Roberts Kingman Scientist Andrew Mattioda Research Scientist Chris McKay Sr. Scientist Zara Mirmalek Social Scientist, Work Ethnographer Jeff Moore Scientist Devan Nisson NASA Postdoctoral Program Fellow Eldar Noe Dobrea Daniel Olson Lynn J. Rothschild Sr Research Scientist, Bio and Bio-Inspired Technologies, Research and Technology Lead for NASA HQ STMD Derek Sears Karina Shain Administrative Assistant Heather Smith Kathryn Steakley Planetary Scientist Carol Stoker Research Scientist Orkan Umurhan Research Scientist Richard Urata Research Scientist Kimberley Warren-Rhodes Research scientist Oliver White Research Scientist Mary Beth Wilhelm Research Scientist John Wilson Space Scientist Diane H. Wooden Scientist Katarina Yocum Research Scientist Kevin Zahnle Scientist Aaron Zent Scientist