A mysterious spiraling blue light ... back toward Earth, according to experts. Time-lapse video taken from Croatia at around 4 p.m. EST, or 9 p.m. local time, shows the glowing light spinning ...

A mysterious light blue swirl puzzled ... 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 ...

The result is that the blue light is scattered across the sky so you see blue everywhere ... a lot more of the atmosphere to reach the Earth’s surface than when it is directly overhead.

The difference between how light behaves on Earth and how it travels in the emptiness of space, explains the beautiful blue skies and the vast darkness of space. Why is the sky blue in colour?

When sunlight enters Earth’s atmosphere ... is why we see a blue sky during the day. The blue light bounces around and fills the sky from every direction, while the other colours pass through ...

The intense blue beam of light pointing skyward from the Luxor Hotel is one of the most recognizable Las Vegas sights. But blue wavelengths are among the worst for sky glow: They bounce around and ...

Star-gazers, space-lovers, and anyone who'll get severe FOMO if they miss seeing a moon that only appears once every 18.6 ...

But industrialization has changed that, of course, by introducing light pollution that gradually erased the stars from view before the bright blue ... Earth, it only stands to make the visible ...