An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

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

Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.

Astronomers have discovered seeds of rocky planets forming in the gas around the baby sunlike star providing *** peek into the start of our own solar system. The the thing that we've discovered is ...