A Southwest Research Institute-led team has discovered an elusive, dark moon orbiting Makemake, one of the “big four” dwarf planets populating the Kuiper Belt region at the edge of our solar system.

You’ve probably heard the phrase “once in a blue moon.” Maybe you’ve even used it to describe an occasional occurrence in your life — the frequency with which you buy a new cellphone, for example. But ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A full Blue Moon is coming this weekend — and despite the ...