But that includes exoplanets, alien worlds that orbit alien suns. Only eight planets call our solar system home. Or there might still be nine if some astronomers are correct about an as-yet ...

Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

NASA has been monitoring a never-before-seen planet in its solar system, which is eight times the size of Earth. The ...

Just like every planet in the solar system revolves around the Sun, here on your Snapchat friend list, all of your closest friends will revolve around you. Yes, here on Snapchat Plus, you will be the ...

The exoplanet has a radius around 2.7 times and a mass about 8.2 times greater than Earth ... and its extreme lack of hydrogen expands our understanding of the diversity of planets (just like this ...

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System. This provides another piece of the puzzle to ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

An object we thought belonged to the most common category of planet in the galaxy has turned out to be something we've never seen before.

Stargazers will be treated to a dazzling six-planet "alignment" this January.