A bright blue beam has been lighting up the metro Phoenix night sky, and a lot of Valley residents want to know why. In recent weeks, a glowing blue column rising roughly 3 miles into the air near ...

On June 18, 2024, a brilliant display of Noctilucent clouds was seen in Lithuania. The clouds, also called "electric blue clouds," are formed approximately 50 miles above the Earth's surface, nearly ...

An unusual sight — a ribbon of glowing blue light — in the Dearborn sky that was posted Sunday on Facebook set off a round of jokes and speculation, including several references to extraterrestrial ...

It's that time of the year again for skywatchers in Canada to revel in the magnificent skyscapes of the polar mesospheric clouds. However, they are more popularly known as noctilucent clouds (NLC).