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

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

An hour-long time-lapse of Noctilucent clouds over Gull Lake, Alberta.

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

Noctilucent clouds are one of the rarest cloud formation and they form on the edge of space. Meteorologist Laura Power has more.

The surface was surprisinglyyoung, suggesting that Pluto is still active beneath its crust. Later, New Horizons journeyed ...

Parts of Alberta witnessed a spectacle early Friday morning as rare noctilucent clouds, also known as night-shining clouds, ...

A rare cloud formation was seen across much of Canada and parts of Europe recently, but it’s unknown if it will happen again ...

Rare clouds that form in summer high up in the Earth's atmosphere have been seen from parts of Scotland. BBC Weather Watchers ...

Red sprites are among a class of enigmatic weather phenomena that appear over thunderstorms, known as Transient Luminous ...

As the International Space Station whizzed over Mexico and the United States — before floodwaters catastrophically rose in ...