The Geophysical Laboratory of the Carnegie Institution of Washington invites applications for postdoctoral fellowships. The Geophysical Laboratory emphasizes interdisciplinary experimental and theoretical research in fields ranging from geoscience, microbiology, chemistry, to physics. The Laboratory supports world-class facilities in high-pressure research; organic, stable isotope and biogeochemistry; mineral physics and petrology; and astrobiology. Carnegie Postdoctoral Fellowships are awarded once a year. The deadline for submitting an application is December 1, 2017 and the position begins the following summer or autumn.