A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.
Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same ...
Add Yahoo as a preferred source to see more of our stories on Google. Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky ...
A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.