It takes expensive tools to learn about the universe, but projects like the Very Large Array for radio astronomy in New Mexico and the Chandra X-ray Observatory, which orbits Earth, have pushed ...

It takes expensive tools to learn about the universe. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article was originally published at ...

You've set your telescope up and are showing people some of the wonders in the sky. Of course, they're going to ask you questions. Here are some you might be asked. How many do you know the answers to ...

Note: There is a special note to teachers at the bottom of this post. If you’re a teacher, please be sure to check it out! My friend Tina is a teacher at the Saegert Sixth Grade Center in Austin, ...