Visible light travels in electromagnetic waves, which we see as the colors of the rainbow. Different colors have different wavelengths of light. Violet and blue have the shortest wavelengths, whereas ...

On the evening of February 28, 2026, skywatchers will be treated to a rare spectacle as at least six planets become visible ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. You’re seeing a bright white “star” in the post-sunset ...

The sky tells us a lot about what’s going to happen in weather. Last night’s sunset had a few strong hints as the chaotic sky developed. Sorry, I’m going to ...