A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. Are planets in the solar system that are closer ...

With this new survey, astronomers have gained a peek inside a stage of exoplanet system formation they have yet to fully ...