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 ...

A striking new image shows bright orange auroras dancing in the night sky above Canada. But auroras should never be this color, so what's going on? When you purchase through links on our site, we may ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Michael J. I. Brown, Associate Professor in Astronomy ...