There are so many interesting solar system facts, here are some of our favorites. For about a quarter of each Uranus year (or 21 Earth years, as each Uranus year is 84 years long), the sun shines ...

The universe is far more than just a vast emptiness,it's an intricate, mind-boggling realm full of surprises. From the ...

Earth Day is April 22 — think you know the planets? Test your knowledge of the solar system in this fun and engaging lifestyle quiz — and see how well you do!

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.

If you are interested in learning more about solar panels, here are nine interesting facts you should know. Fact #1 The earth receives a continuous supply of 173,000 terawatts of solar ...

Jupiter has the shortest day in the solar system, lasting just 10 hours. Jupiter is the fourth-brightest object in Earth's sky, after the sun, the moon and Venus. 1,000 Earths could fit inside ...

Jupiter is by far the largest planet in our solar system. The huge ball of hydrogen and helium circling the sun is about 88,000 miles wide, meaning more than 1,300 Earths could fit inside it.

But there are over 200 moons orbiting objects in the solar system, including planets and large asteroids. Many of these moons have atmospheres, complex topography, and even weather systems.