Northern Lights 20 May 2024. Scientists say it’s hard to know when another extreme solar storm will hit earth, but the sun’s. These are the nights with darkness in them.

Northern lights could be seen in the southernmost regions of canada, as seen in these timelapse videos filmed in boucherville, a suburb of montreal, during the night of may 10 to 11, 2024. Nasa says may saw one of the strongest aurora events in 500 years, with the sun’s solar maximum making northern lights reach farther south.