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...

Humans have always looked up at the stars and wondered. The night sky holds countless mysteries. But one question keeps...

Before telescopes and space missions, people looked up and noticed a small, bright point racing across the sky. It appeared...

Jupiter didn’t get its name by accident. Long before modern science, ancient people looked at the sky and gave names...

Mars has long been known as the Red Planet. Its bold color stands out in the night sky and has...