The sun is still shining but, the sky is extremely dark to the west. Pitch black, as many would call it. I remember growing up seeing this type of sky, an ominous sign that a bad storm was brewing ...

Night-shining clouds, or noctilucent clouds, an ethereal type of cloud known to ripple across the edge of space, were expected to be rare this year, but a new study finds these specters are ...

A Met Office video explains seven rare cloud types - including noctilucent clouds as they’re sighted in the UK.

These unique night-shining clouds captivate skywatchers during the summer ... The sun needs to be at least 6° below the horizon before the sky is sufficiently dark for NLCs to become visible.

Noctilucent clouds (NLCs), or night-shining clouds, are a type of mesospheric cloud. As the name suggests, mesospheric clouds form in the mesosphere, the third layer of Earth's atmosphere, which ...

That's because they were forming from the exhaust of the rocket more than 200,000 feet in the air, so while the sun had not risen for us, it was able to reflect off those clouds. Hence the term ...

Noctilucent, or night-shining clouds, are rare clouds that can be spotted shortly after sunset in higher latitudes. Summer is the best time to look for them.

Noctilucent clouds are collections of ice crystals that form blue or silver clouds just after sunset, and before it gets fully dark. They take shape really high in the sky, higher than any other ...

Rare and mysterious clouds that are so bright they can be seen at night have mystified people since they were first observed more than a century ago, but scientists have now discovered a key ...

A Met Office video explains seven rare cloud types - including noctilucent clouds as they’re sighted in Edinburgh.

Photographers hoping to capture stunning "night-shining" clouds have been left frustrated this year. The fast-approaching solar maximum may be to blame.