In this collection of trivia bits, you'll find interesting facts on how the observation got its start, the founders of the annual holiday, along with other details about the planet, climate and ...

Here are some fun facts about Earth as we celebrate this planet we live on for Earth Day. The Earth’s diameter at the equator is 7,926 miles. Sign up for our Newsletters Our atmosphere is made ...

That’s because these planets are primarily made from gas and have no solid surface. This group of planets is also known as the ‘Jovian Planets’ after the Roman god Jupiter. Jupiter is ...

So ahead, you'll find 10 facts about the moon—some fun and some spooky ... moderate zone of our solar system. Planets closer ...

The fifth planet from the sun, Jupiter is what watercolor dreams are made of. Vibrant bands of clouds ripple around its thick atmosphere, making up a world so large that more than 1,300 Earths ...

The world is a fascinating place, and it's full of weird and interesting facts that you might have ... in 1930 to when it was declassified as a planet in 2006, it had not made a full orbit around ...