ST. LOUIS – The sky is always changing colors—from a bright blue on a clear day, to red and orange sunrises or sunsets, or multiple colors of a rainbow—there’s a lot going on that we don’t always ...

We all know the days are shorter in the winter. But the sky in the Northern Hemisphere is actually darker as well. There are ...

We experience beautiful sunrises and sunsets here in Michigan all the time. Cotton candy-colored sunsets are my favorite, and I'm sure you have your favorites too. Have you ever wondered why we see ...

Launched in March, NASA's SPHEREx space telescope has completed its first infrared map of the entire sky in 102 colors.

The color of the sky is determined by the angle of the sun in the sky (how much atmosphere the light needs to pass through) and how the light is scattered by air molecules in the atmosphere. Since ...

NASA’s SPHEREx has mapped the entire sky in 102 infrared colors, which are invisible to the human eye but can be used to ...

THE blue color of the sky on a clear day is familiar to all. And yet how many have considered the source of this delicate mantle of azure which Nature spreads over the dome of the heavens? The ...

Marisol loves to paint. So when her teacher asks her to help make a mural for the school library, she can’t wait to begin! But how can Marisol make a sky without blue paint? Reading Explorers is ...

One of the most fascinating and beautiful deep space objects an astrophotographer can image is a nebula. The word nebula means cloud or fog. The reality is that it is a distinct body of interstellar ...