T he sun is the star at the center of our solar system. It's the largest, brightest and most massive object in the solar ...

The sun is so incomprehensibly big that it's almost pointless to bother trying to imagine its size. Our star is about 860,000 miles across. It's so big that 1.3 million Earths could fit inside it.

Gazing up at the clear blue sky, our eyes are often drawn to the Sun, that magnificent burning orb that illuminates our days, warms our planet, and supports the growth of our food. But how much do ...

Our sun will become a red giant in about five billion years. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A red giant is a dying star in ...

We’re VERIFYING four facts about how to protect your skin from the sun’s rays this summer ... applied correctly to work best, according to our sources. “Anything that has the word sunscreen ...

“Protecting our skin from sun exposure makes the single most dramatic ... I put together this handy guide on sunscreen facts. The doctors answer everything from what SPF stands for to how ...