Leading journals from the American Geophysical Union are now available on your Android device. Fresh from the newsstand, Journal of Geophysical Research: Space Physics covers aeronomy and magnetospheric physics, planetary atmospheres and magnetospheres, interplanetary and external solar physics, cosmic rays, and heliospheric physics. Enjoy an entirely new browsing and reading experience, and keep up to date with the most important developments in the geosciences: • Stay current with the latest recently published articles– updated almost daily. • Be notified when a new weekly issue is available. • Download articles and issues for offline perusal. • Save your favorite articles for quick and easy access. • Share articles with colleagues or students.