Noctilucent cloud season is upon us. If you’re in the Northern Hemisphere this summer, keep your head to the skies at sunset ...

Cloud watchers have recently been given record-breaking glimpses of the rarest clouds in the skies. Stunning rippled blue clouds have ... down by absorbing the sun’s rays. But, for clouds ...

The fleeting glow of noctilucent clouds is once again making its appearance in Earth’s upper atmosphere, signaling the start ...

they were touched by the last long rays of the sun, and they were painted red-orange fire. As the long bands of clouds seemed to lie one atop the other, the western sky became for a few minutes a ...

So is that true? While cloud coverage dampens the sun’s rays by a small percent, sometimes clouds scattered high in the sky can create a “broken cloud effect” and actually enhance UV rays on ...

Bright blue-white noctilucent clouds danced ... glow of the rising sun is visible as it creeps over the horizon, which adds contrast and depth to Denmark's summer night sky. Merzlyakov used ...

Dan Harrison and Luke Iseman are peas from different pods, but as they pump particles into the sky on opposite sides ... both are working to block the sun’s rays from reaching Earth, and both ...