Earth’s Magnetic Field News & Articles See All News Article3 Min ReadNASA’s Geotail Mission Operations Come to an End After 30 YearsArticle7 Min ReadFinding Magnetic Eruptions in Space, With an AI AssistantArticle9 Min ReadNASA Researchers Track Slowly Splitting ‘Dent’ in Earth’s Magnetic FieldArticle3 Min ReadNASA’s Magnetospheric Multiscale Mission Locates Elusive Electron Act Multimedia Go To Galleries Go To Galleries Keep Exploring Discover More Topics From NASA MASG Q&A Videos May 2025 Flight Testing GPS-Galileo Interoperability for Positioning, Navigation, and Timing Applications Snow and Ice