With so many interesting solar system facts, we've narrowed them down to 25 of our favorites. Our solar system consists of the sun and everything that orbits that sun, like the eight (once nine) ...

The center of the Milky Way is super bright because it’s packed with a lot of stars and a supermassive black hole. That black hole, called Sagittarius A*, is millions of times bigger than our sun! It ...

We need to get rid of outer space—it’s too dark and too terrifying, and everything out there wants to kill us. Yet some of our most popular billionaires seem convinced that rocketing humanity off into ...

NASA, one of the world's most familiar acronyms, is a global powerhouse in space exploration. Over 18,000 people work for the organization to help develop humanity's understanding of the wider ...