Staring at the sun—a close (but safe) look at our home star ... a new idea to keep kids entertained? Try stargazing. Free learning activities and videos about the solar system Free learning ...

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But first, we need you to sign in to PBS using one of the services below. Around our solar system, violent eruptions are shaping distant worlds. Discover the explosive forces that helped create ...

However, we actually have six in our Solar System. Pluto, Ceres, Makemake, Haumea, and Eris were the only five that we knew about up until very recently. Ceres is in the asteroid belt between Mars ...

Child VO:What is The Solar System? Maddie Moate:The universe is vast. Serei:Vast means really, really big! Maddie Moate:There are a lot of stars in our Universe. And the Sun is a star thatgives ...

With a radius of 3,959 miles, Earth is the fifth largest planet in our solar system, and it's the only one known for sure to have liquid water on its surface. Earth is also unique in terms of ...

A 3D map of our cosmic neighborhood has revealed hot and cold regions as well as an "escape tunnel" from our local bubble.

MIT researchers analyzed precious samples from the asteroid Ryugu, delivered to Earth by Japan’s Hayabusa2 mission. They looked for clues of an ancient magnetic field.