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 known as ...

“The clouds really just shine against the dark sky ... in the night sky. The blue-silver streaks shine brightly only after the sun has disappeared beyond the horizon, entrancing viewers ...

Noctilucent cloud season is upon us! Here's what you need to know about when to catch the spectral phenomenon as we move into the prime viewing season of the summer months. Astronomers and clouds are ...

Bright blue-white noctilucent clouds danced over the ... is visible as it creeps over the horizon, which adds contrast and depth to Denmark's summer night sky. Merzlyakov used a Canon EOS 6D ...

We had a special treat Wednesday morning due to noctilucent clouds that are rarely seen in the Florida sky. Noctilucent clouds ... As the sun dips below the horizon, its rays continue to ...

On Saturday, in Washington, November flung off the gray mask it wore on Friday and once more dazzled the city with the glories of late autumn, with blue ... many clouds shared the sky, they ...