A mysterious spiraling blue light illuminated the night skies over Europe on Monday.The cosmic whirlpool was captured in ...

A SpaceX rocket launch from Florida on Monday afternoon produced a dazzling display in the night sky above Europe, leading to some people asking Elon Musk what they were witnessing. The rocket ...

As the rocket rose higher in the sky, a blue spiral became visible for several minutes to those on the night side of the Earth. The odd glow spun and grew larger until it finally faded away.

For centuries, the saying "Red sky at night, sailor’s delight ... Shorter wavelengths, like blue, scatter more easily, while longer wavelengths, like red, can penetrate through dust and moisture.

A celestial phenomenon is forming in the Northern Hemisphere on Friday, as seven planets are expected to appear lined up in the night sky. Most are ... as both planets are blue and orbit in ...

We were incredibly lucky that night in 1984 ... The short wavelength blue light of LEDs bounces around more in the sky, intensifying the brightness of light pollution more than an equivalent ...

Here’s how it works. Extremely rare, vibrant "moonbows" were spotted in the night sky above the U.S. shortly before the rise of the blue supermoon on Monday (Aug. 19). The moon will remain ...