In 2016, ESA astronaut Tim Peake captured an image of noctilucent clouds shimmering high above Earth's surface, from the orbital lab. Scientists have found that the frequency of noctilucent clouds ...

These extremely rare ‘noctilucent clouds’ are currently appearing over much of the northern hemisphere. In fact, they’ve put on their most intense display for 15 years, according to data ...

Near Earth's north and south poles, wispy, iridescent clouds often shimmer high ... noctilucent, clouds are sometimes spotted farther from the poles as well, at a rate that varies dramatically ...

These are noctilucent or “night-shining” clouds made up of tiny grains of ice, about the size of a flu virus (100 nanometers). They are formed in the upper reaches of the mesosphere.

Rare noctilucent clouds that glow in the dark are currently lighting up much of the northern hemisphere — and the recent display is the most vibrant in 15 years. The wispy ghost-like clouds ...

Students who miss at least 10% of school days are more likely to face reading difficulties by third grade, less likely to ...

Noctilucent ... Each year, from the beginning of June to the start of August, a type of cloud at the edge of space makes an appearance in the evening sky over high latitudes.