A stunning blue light likely caused by SpaceX Falcon 9 rocket fuel illuminated the night skies over Europe on Monday.

If city lights block the stars over your backyard, this map can help you hunt down the darkest skies for epic stargazing.

At least two lunar rainbows, including a stunning "double moonbow," have been spotted above the U.S. in the lead-up to the blue supermoon. And there is still a chance to see one of these elusive ...

A new study shows that, on the whole, the night sky became two percent brighter over the last 5 years thanks to LED lights. ... The satellite instrument can't see blue light, ...

Take back the night: Establishing a “right to darkness” could save our night skies Dark sky proponents mull the rights of nature to battle light pollution.

During the day, the sky is so bright from this light that no stars (well, except the sun) can be seen. They’re too faint. At night, after the sun sets and its scattered light diminishes, the sky ...

Pasadena’s new approach to light up the sky was one of scores of Independence Day celebrations across L.A. County ...

Alternative to fireworks? Stargazers could instead catch a cosmic light show this Fourth of July weekend when the Milky Way ...

Fireworks were first invented serendipitously by the Chinese in 200 B.C. but getting that perfect blue is a challenge ...

Stargazers may catch a cosmic light show this Fourth of July weekend when the Milky Way appears in the night sky across the ...

The night sky as seen with human eyes is getting about 10 percent brighter ... The advent of bright white LEDs exacerbated problems caused by light pollution. They emit more blue spectrum than ...