Earth, North Pole

As sunspots emerge on the sun's surface close to its equator, their orientations will match the old magnetic field, while ...
The aurora borealis is back and is expected to be visible in more than 10 states. See which states will have the best views.
A solar explosion called a coronal mass ejection is poised to graze Earth on Friday or Saturday (Jan. 24 or Jan. 25), ...
NASA is observing an anomaly in Earth's magnetic field: a giant region of lower magnetic intensity in the skies above the ...