Noctilucent clouds, often called “night-shining clouds,” are the highest clouds in Earth’s atmosphere. They form in the mesosphere, about 76 to 85 kilometers (47 to 53 miles) above the ...

Aurora chaser and photographer Harlan Thomas ( @TheAuroraGuy) was about 18.5 miles (30 kilometers) north of Calgary along a ...

The rare night sky phenomenon is seasonal and becomes visible in the northern hemisphere from late spring and into early summer. The mysterious clouds form at very high altitude on the edge of ...

How does a cloud stay cool under direct sunlight––or seem to vanish in infrared? In nature, phenomena like white cumulus ...

When to see the 'night shining' clouds The best time to see noctilucent clouds is on clear nights between late May and mid-August, about 90 to 120 minutes after sunset or before sunrise. Sightings ...

Noctilucent, or "night-shining", clouds can be seen on Mars, just as they are on Earth. Nasa's Curiosity Mars rover imaged these high-altitude clouds on 17 May, 2019, using its navigation cameras.

I have seen them at midnight as high as 30° altitude, but they are generally confined to the first 10° or so above the northern horizon. ... Nature - “Sky-coloured Clouds” at Night.

Noctilucent clouds are a part of a celestial phenomena usually found near the Arctic Circle during the summer. They form on the edge of space where temperatures are a bone-chilling -120°C (-184°F).

The high-altitude clouds form in a layer between 50 and 85 kilometres above the Earth’s surface, at the edge of space. They are made from icy dust particles left over by 'shooting stars'.

'Space cloud' season is upon us. With a little luck, Brits might be able to spot spectacular noctilucent clouds in the evening sky. The rare night sky phenomenon is seasonal and becomes visible in ...