Twilight is the brief period between day and night when the sky shifts in color and light. It does not...

A nova is one of the most striking light events seen in the night sky. For a short time, a...

Nebulae are vast clouds of gas and dust drifting through space. They may look soft and colorful in telescope images,...

The words cosmology and astronomy are often used interchangeably in everyday conversation. Both fields deal with space, stars, galaxies, and...

Venus is one of the brightest objects in the night sky. At times it shines just after sunset, and at...

Space-based internet has changed how the world stays connected. Two names keep coming up in every conversation about it: Project...

Most people use the words “galaxy” and “universe” as if they mean the same thing. They don’t. It’s an easy...

Every March, the sky puts on a show. And most people miss it completely. The full moon rises. It looks...