Fun Facts

Explore the closest planet to the Sun! Find out how long a day on Mercury is and how many moons the planet has. Also, keep up with the upcoming Mercury events!

When does spring begin? Why are day and night not really equal at the vernal equinox? And why isn't the spring equinox always the March equinox? Find out here!

Discover the science behind the cosmic events of the equinoxes with an engaging infographic! Learn about the changing of seasons and the balance between day and night.

How many rings does Saturn have? Where is Saturn tonight in the sky? Find answers to these and other most common questions about Saturn in our article.

The bright Jupiter is known for its many moons, unstable surface, and mysterious Great Red Spot. Is there something else? Find out!

Why is Mars red? What’s the gravity on Mars? Read this article to get answers to these and many other questions and learn more about the Red Planet.

Venus is the second planet from the Sun and the brightest planet in our sky. Learn more facts about Venus and the best time to see it in the sky.

Uranus has a peculiar chemical composition, extreme temperatures, and the most unusual axial tilt. Here we’ll take a closer look at this planet.

Tiangong (“Heavenly Palace”) is China’s new space station, which was completed in late 2022. Take this quiz to learn many interesting facts about the Tiangong space station, including: - How big it is compared to the ISS; - How quickly it was assembled; - How many people it can host; - And many more! Let’s see how many answers you can get right!

Which planet has a tail? Where is the biggest amount of water in space (spoiler: not on the Earth)? Learn the 10 incredible space facts you’ve probably never heard before!