The Solar System is much more than a collection of planets, moons, comets, and asteroids. It is our home in the cosmos. The Solar System's only star, which we call the Sun, plays a role in nearly ...

When I was a kid, there were nine planets. Now we know of thousands! But that includes exoplanets, alien worlds that orbit alien suns. Only eight planets call our solar system home. Or there might ...

“Overall, our findings challenge the conventional classification of Uranus and Neptune as ’ice giants’ and underscore the ...

"These objects really could be anywhere in the solar system at any given time." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. One million alien ...