The red and green lights on airplanes have nothing to do with Christmas. Instead, they make up an important safety measure ...

Experts who study unmanned aircraft systems, better known as drones, say it can be tough to tell from miles away. But there are clues. A light in the sky at night can easily be misinterpreted ...

Light pollution—the needless shining of bright lights into the night sky—has robbed whole generations of the chance to see nature on its largest scale. It is estimated that as many as eighty ...

Starship's last flight test in January ended with the vehicle unexpectedly exploding in the sky. The company ... falling or ...

Dury's efforts were rewarded with a stunning panoramic view of the night sky containing seven planets ... exposure and ISO to try and capture the light from the dimmer planets.