Noctilucent clouds, Earth's highest clouds, shine blue in the twilight sky from late May to August in the northern hemisphere ...

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

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

To increase your chances of spotting these impressive night-shining clouds, find a clear patch of sky after sunset. For some helpful tips and suggested camera settings, the travel photography site ...

This month's night sky is filled with close-range meteors, swirling nebulas, and prime stargazing conditions. Here’s when you ...

Cappucci went on: "Because the sun is near the horizon—it's sunset—it's beneath the cloud. That means the cloud ... sun and casts a shadow across the sky." Cappucci also said the dark band ...

Have you ever wondered how a cloud stays in the sky? In a recent conversation with my friend and colleague Alan Sealls, the AMS President-Elect told me that he pondered this very question ...

Weather officials say different types of clouds can tell you what kind of weather to expect. Here's a look at the different types.

a sunrise or a sunset." "And the reason is, because if the sky's clear off to where the sun is on the horizon, it can shine across the sky to the clouds above you. But it can only shine up and ...

Twice each year, in June and July, the setting sun aligns precisely with the Manhattan street grid creating Manhattenhenge. Rain and clouds may block Wednesday's viewing, if so, check back on Thursday ...

An ominous green sky is often associated with severe weather, but not every storm causes the sky to change colors.

In the sunshine, it seemed even warmer, and although many clouds shared the sky, they did not seem to ... a blazing spectacle of a sunset. It was a warm enough day, with an official high afternoon ...