The ingredients that help make a planet livable did not necessarily come from where many scientists once thought. A new ...

Moons and asteroids with a global ocean are tending to become relatively common objects in the Solar System. There have been at least nine and now ten with Saturn’s tiny (250 mile across Mimas). Give ...

Editor's note: This article was updated March 25 at 11:40 a.m. ET to account for the recent discovery of new moons around Saturn and Jupiter. The total number of planetary moons and small-body ...

"If our solar system is indeed moving this fast, we need to question fundamental assumptions about the large-scale structure of the universe." When you purchase through links on our site, we may earn ...

Jupiter has 79 moons and is known as the 'king of the planets'. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Jupiter is the largest planet in ...

Our solar system has been around for 4.6 billion years. While that sounds like a long time, it's just a blip in the 13.8 billion-year story of the universe. And one day, the solar system will cease to ...

An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers who discovered it using telescopes from NASA and the European Space Agency, ...

And the earth was without form and void, and darkness was upon the face of the deep. Sometimes, if the night is dark and clear enough, you can look up and see the Milky Way in its arc across the sky.