(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...

When it comes to appearances, the universe is a tricky place. Visible light occupies merely a sliver of the electromagnetic (EM) spectrum. To study the cosmos in its entirety, scientists must peer ...

Every star you see at night broadcasts its temperature through color, yet one shade sits permanently off the menu. The visible spectrum runs from deep red through orange, yellow, white, and blue, each ...