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

The fourth planet in the system is a rocky world, while the second and third ones are gas planets.

A rare alignment of the planets will be visible just after sunset this weekend. Mercury, Venus, Neptune, Saturn, Uranus and Jupiter are coming together in an event sometimes dubbed a “planetary parade ...

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

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how planets form. Across our galaxy, astronomers routinely observe a ...

Add Yahoo as a preferred source to see more of our stories on Google. Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than ...

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. Why does Jupiter look like it has a surface – ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Early risers this month can see a “planet parade” building ...

New research suggests that Jupiter’s icy moons may have formed with complex organic molecules already embedded in their building blocks.