NOCTILUCENT CLOUDS ARE INTENSIFYING: The first noctilucent clouds (NLCs) of northern summer have arrived--and they're better than expected. NASA's AIM spacecraft is monitoring a huge blue cloud pinwheeling around the North Pole, while sky watchers in northern Europe are reporting electric-blue tendrils in the night sky. Visit today's edition of Spaceweather.com for the full story.
Aurora alerts: Sign up for Space Weather Alerts and receive a text message when auroras appear in your area.
Above: Noctilucent clouds over Ängelholm, Sweden, on May 26, 2020. Photo credit: Johny Krahbichler.
