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

They form between Earth and space, about 47–53 miles (76 to 85 kilometers) above the ground in the mesosphere. They Glow After Sunset In The Northeastern Night Sky Noctilucent clouds can only be ...

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

Have you ever gazed up at the sky and wondered why clouds look so incredibly different from one another? One moment, you spot ...

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

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

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

Noctilucent clouds over the ... surface and about 11 miles above the ground, these appear in the mesosphere, up to 50 miles high. They become visible right after sunset or right before sunrise ...

While it won't appear strawberry-red, the Moon is named after the wild strawberries that start to ripen during early summer, according to the Farmers' Almanac. Other names for this Full Moon are Rose ...

The summer evenings offer us the opportunity to sight some rather intriguing and beguiling phenomena. Noctilucent clouds, ...

Rare noctilucent clouds are showing up in places they never used to, and scientists are trying to find out why.