It is a question that feels like it should have a straightforward answer: how many planets are there in our solar system? Since Pluto was relegated back down to dwarf planet status, almost everyone ...

Jupiter's rapid early growth dramatically reshaped our solar system, scientists now reveal. Its immense gravity acted as a ...

Learn how many suns exist in the Milky Way and how to understand how many sun-like stars are out there could help us understand how many Earth-like planets there are, too.

New research from Rice University shows that Jupiter, the largest planet in our solar system, played a major role in shaping ...

The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...

Not all of the solar system’s building blocks formed simultaneously. Some of the first solid bodies, or planetesimals, formed ...

PARIS (AFP) ― The solar system has at least two more planets waiting to be discovered beyond the orbit of Pluto, Spanish and British astronomers said. The official list of planets in our star system ...

For the study, the researchers made several remarkable and new discoveries: the two M-type stars that comprise the binary ...