Ian Randall is Newsweek's Deputy Science Editor, based in Royston, U.K. His focus is reporting on science and health. He has covered archeology, geology, and physics extensively. Ian joined ...

Tonight’s likely aurora borealis has a Kp index of 4—which is measured on a scale of 0 to 9—indicating the northern lights ...

causing them to become “excited” before releasing light particles, producing the colorful displays of the aurora borealis. NASA’s forecasts suggest an increase in auroral activity will ...

If you're unable to view the northern lights in person, an online live view is the next best (and considerably warmer) thing. The northern lights are a truly remarkable spectacle, with curtains of ...

Historical data shows that auroras occur more often during the spring and autumn equinox.

Alaskans have the best shot of seeing the northern lights Saturday night, as NOAA forecasts nearly the entire state has a high likelihood of an aurora. Montana, North Dakota and Minnesota also ...

One of the most common questions aurora chasers hear is, "When is the best time to see the northern lights?" While predicting auroras with pinpoint accuracy is tricky, evidence suggests that March ...

The aurora borealis (or northern lights) can be an almost eerie sight: Picture emerald green swirls coloring the otherwise darkened sky. But scientists have a boring explanation for this ...

Skies across the northernmost US states could be graced with stunning displays of the Northern Lights on Friday, blown into view by a giant "hole" on the sun. The aurora borealis might appear in ...