It's a "transient luminous event" or TLE that happens above the clouds, in the mesosphere, when there is intense electrical ...

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

Their Latin name means "night shining" and the clouds usually appear as streaks of blue or silver. The Met Office describes ...

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.

The mesosphere, which becomes coldest during the summer months, allows the tiny amount of water vapour to condense onto particles of cosmic dust. This process creates very thin, wispy clouds that ...

This extraordinary event is known as a sprite — or “farfadet” in French — one of the rarest forms of Transient Luminous ...

A picture snapped from the International Space Station (ISS) by NASA astronaut Nichole Ayers has captured a lesser-seen view ...

Speeding around the Earth at 28,000 km/h, NASA astronaut Nichole Ayers captured an incredible view of a phenomenon known as a ...

Striking displays of clouds which are mostly only seen in the summer months have been appearing in the skies over Northern ...

NASA recently captured a light phenomenon known as an “atmospheric sprite” over Mexican territory, near the border with the ...