Large parts of the United States faced a radio blackout on Thursday following a strong solar flare from the sun. The "extreme ultraviolet flash" was captured by NASA's Solar Dynamics Observatory ...

For the rest of us, it’s a chance to see Earth in a new light—a reminder that though we can’t see or even feel Earth’s magnetic field, it’s with us every day. You Might Also Like ...

To compensate, the US’ National Geospatial-Intelligence Agency and the United Kingdom’s Defence Geographic Centre have combined to build the World Magnetic Model.

The team measured the LMC's magnetic field by observing how it affected radio emissions from background sources as they passed through it, a technique previously used on only two other galaxies ...