Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. If you're in the northern hemisphere and it's been a ...

This month will usher in two separate conjunctions — one between the moon and a rarely-visible Mercury, and another between ...

There are 10 main types of clouds. There's the Cumulus cloud, otherwise know as the Simpsons' cloud. "The cartoon cloud that forms on a sunny day. The fair weather cloud. It's like the generic one, ...

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

Saharan dust arrives Friday in Houston and may set the scene for a dazzling, Instagram-worthy sunset after a seasonably warm ...

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

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 ...

Noctilucent clouds usually form close to the poles, but in recent decades, they’re being spotted closer to the Equator ...

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

ABOUT sunset on the evening of Sunday ... which I will briefly describe. Two large clouds, covering a considerable portion of the western sky, and separated by an interval leading generally ...