Have you ever gazed up at the sky and wondered why clouds look so incredibly different from one another? One moment, you spot ...

This is why the sky is blue — it reflects blue light. White clouds reflect all colors, so when red light shines on them, they look red, too. Image If there are storm clouds to your west ...

Puffy cumulus and drab stratus are mainstays in the scenery of our everyday life, but there are some extraordinary clouds ...

From the ephemeral red of a sunset to the elusive, multi-coloured southern lights, what is the science behind colours in the sky ... While storm clouds generally appear dark blue or black ...

A blue sky is a good ... water droplets, and cloud formations" can influence the colors of the sky, too. Occasionally, pink and purple will appear more often than red and orange.

Bright blue-white noctilucent clouds ... the orange-red glow of the rising sun is visible as it creeps over the horizon, which adds contrast and depth to Denmark's summer night sky.

In the sunshine, it seemed even warmer, and although many clouds shared the sky, they did not ... autumn’s banner against a background of black branches and blue skies. At times on Saturday ...

Its path will follow a sharp U-shaped trajectory, launching from NASA’s Wallops Flight Facility in Wallops Island, Virginia, soaring miles into the sky ... red and blue-green clouds formed ...

Bright blue-white noctilucent clouds ... the orange-red glow of the rising sun is visible as it creeps over the horizon, which adds contrast and depth to Denmark's summer night sky.