Pluto hasn't been a planet for almost 20 years. In the early 2000s, scientists discovered several objects of a similar size to Pluto. So, during the summer of 2006, members of the International ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Our solar system has been around for 4.6 billion years. While that sounds like a long time, it's ...

The coldest recorded temperature on Earth is minus 128.6 degrees Fahrenheit, but many other planets are regularly colder than this. Temperatures on Mars, for example, range from 70 degrees all the way ...

Our solar system resides inside a vast cavity, now known as the Local Bubble, which is about 1,000 light-years across. When you purchase through links on our site, we may earn an affiliate commission.

"It all works like intricate clock gears. Throw more gears into the mix and it all breaks." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. What ...