This amazing space wallpaper of North and South America at night is a composite assembled from data acquired by the Suomi NPP satellite in April and October 2012. The new data was mapped over ...

The starry nighttime sky our ancestors knew is disappearing from view for most of the planet’s population. Rampant artificial light in many parts of the world has become another urban pollutant ...

Mysterious floating lights have appeared over the city of ... visible all night as long as weather conditions remain the same," O'Brien said. As the mercury drops further, eager sky-watchers ...

Paris, France's capital, displays why it is known as the "City of Lights" in this photo taken ... especially from high above Earth at night. This photo of Paris was taken at 9:54 p.m. local ...

putting up a dazzling light show. The entire city skyline was seen lit up for a split second as the meteorite passed through the night sky. It ended up hitting the clay roof of a villager's house ...