Uranus is the only planet that rotates sideways with a 98-degree tilt. Learn why Uranus spins this way, how its seasons last for decades, and why it’s the coldest, most tilted, and most mysterious ...

While Earth spins in the same direction as the sun, that's not the case for every planet in the solar system. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define solar objects.