Moonlight's colour varies. It depends on Earth's atmosphere. The Moon reflects sunlight. Atmospheric particles scatter light.

The two brightest objects in the night sky — dazzling Venus and a lovely waning crescent moon — will be the chief celestial attraction in the predawn sky on Thursday, Nov. 9.

Shwartz explains how astrophotography images get their mesmerizing colors, and shares a step-by-step guide to take a picture of our own galaxy using any camera—even analog film—and a tripod. The post ...

An image shows BlueWalker 3 and it's large array that is capable of reflecting light back to Earth, making it a very bright object in the night sky.

A new method proposes detecting dark compact objects, potential dark matter candidates, by observing the dimming of starlight as these objects pass between Earth and distant stars.