Earth and Planetary Science Letters is a weekly peer-reviewed scientific journal covering research on physical, chemical and mechanical processes of the Earth and other planets, including extrasolar ones. Topics covered range from deep planetary interiors to atmospheres. The journal was established in 1966 and is published by Elsevier. The editors are T. Elliott (University of Bristol), T.M. Harrison (University of California, Los Angeles), G.M. Henderson (University of Oxford), J.