The Alaska researchers studied radio astronomy at the University of Alaska Fairbanks and had their own tracking station in a ...

Satellite data for the locations of the observers in the study record that artificial brightness had slightly decreased—by 0.3 percent per year in Europe and by 0.8 percent in North America ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

A total solar eclipse, hurricane, wildfire, an aurora borealis and severe weather are all shown in breathtaking detail.