Why is the Sun so hot? Discover the simple science behind nuclear fusion, the powerful reaction that makes our star shine and ...

COLORADO — We get plenty of sunny days in Colorado. You probably know that we have longer days in the summer, and shorter days in the winter. But, the path the Sun takes through Colorado's sky is more ...

Isaac Asimov described the solar system as the sun, Jupiter, and debris. He wasn't wrong—the sun is 99.8 percent of the mass of the solar system. But what is that giant ball of fire in the sky? How ...

Discover interesting facts about the sun, the solar system's central star that supports all life on Earth. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...