Don't miss this chance to see all seven of our solar system neighbors in the sky at the same time. The planetary alignment ...

A group of astronomers has found a solar system 116 light-years from Earth that seems to challenge current theories about how ...

Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

This article was originally featured on The Conversation. Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A ...

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

We know that our Solar System is not the blueprint for all planetary systems out there. There are gas giant planets orbiting ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Planetary scientists ...

A closer look at the planets around a star called LHS 1903 may just flip our understanding of how planetary systems form.

With a lot of talk about space recently, have you ever wondered which are the hottest planets in the solar system? You'd think the closer you are to the sun, the hotter they must be. Now that's ...

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 ...

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