Stern Out, Weiler in at NASA Science Directorate; Mather Will Reportedly Leave

NASA’s Science group has seen an abrupt turnover in its top leadership. S. Alan Stern, associate administrator for the agency’s Science Mission Directorate, announced his resignation on Wednesday. John Mather, the directorate’s chief scientist, is also reported to be heading back to his full-time position on the James Webb Space Telescope program.

“Alan has rendered invaluable service to NASA as the Principal Investigator for the Pluto/New Horizons mission, as a member of the NASA Advisory Council, and as the associate administrator of the Science Mission Directorate,” Administrator Mike Griffin said in a statement. “While I deeply regret his decision to leave NASA, I understand his reasons for doing so, and wish him all the best in his future endeavors.”

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