Traveling to new places always expands the mind, but some of these facts might not be learned on vacation. Earth Day is on April 22 and it’s a day focused on protecting our planet.

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!

Uncover fascinating and lesser-known facts about our solar system! Discover why you can't stand on Uranus, which moon has ...

Mars 10 fun facts about Mars, also known as the red planet Extensive research efforts have taken place in an ongoing mission to explore the planet ...

Venus is undoubtedly one of the weirdest planets in the solar system. Venus, the second planet from the sun and Earth's nearest planetary neighbor is an oddity in many ways. It is the sixth ...

Discover interesting facts about how the moon formed, what it's made out of, and the many missions humans have launched to explore it.

Related: 'There Is No Planet B'—75 Earth Day Instagram Captions To Inspire Change Fun and Interesting Facts About Earth Day Photo by pixelshot/Canva ...

Scientists have spotted seven Earth-size planets around a nearby star, some or all of which could harbor water and possibly life. That’s the biggest cluster of planets like this yet to be found.