an ethereal spectacle sometimes appears in the sky—clouds that shimmer with a ghostly blue-white light. These mysterious night-shining clouds, or noctilucent clouds, seem almost otherworldly ...

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 ...

These mystifying clouds are referred to as night-shining or noctilucent clouds ... no more than 16 degrees below the horizon. The background sky must be adequately dark enough for the clouds ...

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

The universe is huge, yet astronomers have looked at a few parts of the night sky over and over again ... beyond—have looked at the Magellanic Clouds, two mini-galaxies in our celestial ...

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 the northern hemisphere from ...

At the very darkest sites on Earth, far removed from humanity’s wasted sky-directed light, that background can be as dim as 22 mag/arcsec 2. I’d love to have a moonless night with my ...

It also increases the sky background glow, which then makes it much harder to see nebulas, dust clouds, and finer details in the night sky. A brighter night sky poses problems for wildlife ...