The best time to see noctilucent clouds is on clear nights between late May and mid-August, about 90 to 120 minutes after ...

The Falcon 9 rocket was launched a little after 5 a.m. Monday, well before first sunlight, and yet the clouds appeared to glow in the dark. That's because they were forming from the exhaust of the ...

The clip posted by @verivanessa shows a large cloud at sunrise appearing to sit just above the horizon, with a long, dark rectangular beam stretching across an orange-pink sky. A note overlaid on ...

For much of the day, the dark clouds moved across the sky, encroaching on its blue sectors, dimming the light of the sun, seemingly preparing to bring rain somewhere, perhaps on a suburban barbecue.

Storm clouds come in many shapes and sizes ... The sun is still shining but, the sky is extremely dark to the west. Pitch black, as many would call it. I remember growing up seeing this type ...