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) ...

All About Space issue 129 uncovers astonishing facts about our solar system, the anatomy of white dwarf stars and a mystery surrounding weird filaments in the Milky Way. When you purchase through ...

Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago. The find, announced ...

Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of "Ask a Spaceman" and "Space Radio," and author of "How to Die in Space." Sutter contributed this article to ...

Of all the astronomical phenomena you can witness, the total solar eclipse has to be the most visceral--the most in-your-face reminder that our reality consists of giant balls of rock spinning around ...

Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic home. These planetary leftovers offer clues to our creation—and potential ...