A recent pamphlet by D. L. Hazard (“Magnetic Declination in the United States, 1930” U.S. Dept. of Commerce, Coast and Geodetic Survey, Washington; Serial 540, 1932; ...

Since that date magnetic observations—namely, declination, dip and intensity of magnetic force, have been made up to December 31, 1900, at about 500 stations distributed over the United States ...

The National Oceanic and Atmospheric Administration said Thursday some geomagnetic storms will likely disrupt Earth’s magnetic field soon, which could make the northern lights visible in several ...

The aurora's are back! And may be visible throughout the weekend. The University of Alaska and NOAA track auroras using the Kp-index, a global auroral activity indicator which has a scale from 0 to 9.

The discovery of magnetic north in northern Canada dates back to 1831. The wandering point, which long jiggled above Canada and barely moved, is now moving 55km a year, scientists said.