This week, sky watchers in the upper United States, Canada and Europe have spotted a flurry of shimmering, ghostlike wisps in the night sky. The blue-silver streaks shine brightly only after the ...

The fleeting glow of noctilucent clouds is once again making its appearance in Earth’s upper atmosphere, signaling the start of the 2025 viewing season. These shimmering blue formations, also ...

Night sky photographer Ruslan Merzlyakov captured bright blue-white noctilucent clouds dancing over Nykøbing Mors in Denmark just before dawn on July 1.

That's not just your imagination — the sky really is more blue, and all because of science. To understand why the sky is so especially vivid in autumn, you first need to understand why it's blue ...

The origins of noctilucent clouds are still mysterious. Unlike other spectacular night sky displays like aurora borealis, which have been observed for millenia, there are no reported sightings of ...

On Wednesday morning over the Florida sky, we got to witness this amazing glow due to increased water vapor from a Space X launch. The noctilucent clouds were visible well before the first ...

Saturday celebrated wind, clouds, blue sky and brilliant sunset. In D.C. the day demonstrated autumn’s scenic assets in the air and on the ground. November 23, 2024. 2 min. By Martin Weil.