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, ...

Leo sees action as both Mars and Comet Schwassmann-Wachmann 1 move through; plus, spot galaxies and noctilucent clouds in the sky this week.

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

The origins of noctilucent clouds are still mysterious. Unlike other spectacular night sky displays like aurora borealis, ...

If you live in the southern hemisphere and have been stopped in your tracks by a recent sunset, you may have noticed they ...

Jupiter joins Mercury in early twilight as Mars lingers with Leo after dark. Saturn is visible in the morning, meeting ...

The lofty altitude of noctilucent clouds allows them to reflect the sun's light after it has set below the horizon, granting them an almost ethereal brightness against the darkening sky.

The magazine Nature announced the results of its annual Scientist at Work photography contest. The six winning entries are a ...

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 ...

Here’s everything you need to know about astrophotography in June 2025.

They look like brush strokes across the blue." In contrast to the ... sky's clear off to where the sun is on the horizon, it can shine across the sky to the clouds above you.