These rare glowing 'space clouds' are summer's best-kept skywatching secret

Should stargazers also be cloudspotters? Everyone knows clouds are the first thing you see as soon as you get under a dark sky or buy a new telescope — it's almost guaranteed! However, by early July, I usually start actively looking for a special kind of noctilucent or "night shining" cloud — and they can be a magnificent sight to rival anything celestial.At its core, the search for these so-called "space clouds" is the flip side of the seemingly never-ending twilight in July in mid-