NASA Announces Pending Departure of Science Associate Administrator By Overlook Horizon|2022-09-13T12:13:00-04:00September 13th, 2022|Categories: NASA News|Tags: Artemis, breaking news, nasa, outer space, space, spaceflight| Dr. Thomas Zurbuchen, associate administrator of NASA’s Science Mission Directorate, will leave the agency at the end of 2022, after six years of dedicated service.