Need a new idea to keep kids entertained? Try stargazing. Free learning activities and videos about the solar system Free learning activities and videos about the solar system Free learning ...

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Also one of the facts about planets is that Mars had a thick atmosphere in the past. It is believed to have water in the past ...

Even so, there are parts of the distant Solar System that we know about, such as the Kuiper Belt. It's all good and well knowing facts about space, but how do you get there? Find out here.

Here's why that's really weird. When NASA's Voyager 2 spacecraft made its way to outer regions of the solar system in the late 80's, it noticed something odd. Both of the ice giant planets ...

Create your own masterpiece of the solar system. You could paint it, use different sized objects or draw it. Don't forget to label it and add any facts that you know!

“I think not even knowing the number of planets in our own solar system is very humbling.” That means that even the facts that many people learned from textbooks as children can ...

There's something big missing from our solar system — and that may be a good thing. Planetary scientists recently simulated an alternate version of our solar system: one with a super-Earth ...

Mercury has the shortest and fastest orbit around the Sun and experiences dramatic temperature changes as it rotates. It is a world of extremes. Explore facts about our solar system's fastest planet.