We’ve received many reports of an illuminated swirl in the sky this evening,” the UK Met Office wrote on social media on Monday night. “This is likely to be caused by the ...

This stunning image features a deep field view of the Cassiopeia constellation where the two small planetary nebulas can be ...

It was around 1870 when the British physicist John William Strutt, better known as Lord Rayleigh, first found an explanation for why the sky is blue: Blue light from the Sun is scattered the most when ...

"The rocket's frozen exhaust plume appears to be spinning in the atmosphere and reflecting the sunlight, causing it to appear ...

To make matters worse, modern society's electric light and bright screens at night trick our body clock into thinking it is ...

It's not just about how much light there is but what type of light is being produced. In some cases, energy-efficient lighting such as blue ... dark and peregrines have discovered that it ...

Unlike midnight, which is considerably darker, sky blue is a much lighter shade of blue. Apple describes the new color as a “beautiful, metallic light blue that creates a dynamic gradient ...

Stargazers from the UK to Poland were mesmerized on March 24 by a blue swirl hovering in the night sky that officials have ...