Get ready to explore the Red Planet — our dusty, windswept neighbor that's captured human imagination for centuries. Mars is ...

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!

Kenna Hughes-Castleberry is the Content Manager at Space.com. Formerly, she was the Science Communicator at JILA, a physics ...

Teaching our kids about how our planet works and the things that we can do to help our environment can be difficult especially when their heads are consumed with video games and the latest technology.

How much do you remember about planet Earth in the news over the last 12 months? Take our quiz to find out!

Time to show your economic history skills based on what we’ve covered in Planet Money Summer School 2024: An Incomplete Economic History of the World. Make it through the quiz, and receive a ...

Aside from Earth, no planet in the solar system captures our imagination quite like Mars. The Red Planet is one of the few places in our cosmic neighborhood where extraterrestrial life may have ...

See if you can put the planets in order based on the length (in hours) of their respective days going from longest to shortest in the quiz below. Earth days haven’t always been 24 hours.

First though, test your knowledge with 10 questions – just the sort you’ll get if you enter the What on Earth! quiz contest. You can find the answers in the fact box at the end of the quiz.

Discover the order of planets in the solar system. From Mercury to Neptune, explore our solar system and learn more about our cosmic home.