Have you ever looked up on a clear night at the stars and noticed that some of them seemed to twinkle or dance? This twinkling is due to the Earth’s atmosphere. When light reaches Earth from a star, ...

Wonder of wonders, this is the last Weekly Wonder as we all shepherd our kids into this unusual school year. Here are a few fun diversions to ease stress — or, for younger kids, fill the time. The ...

The planet parade is when we have multiple planets visible in the sky at one time. We had one back in the morning sky last August, but this time we will have a parade in the evening sky with four ...