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 ...

MADDIE: There are a lot of stars in our universe. And the sun is a star that gives out heat and light. The sun is at the centre of the solar system. The solar system is the name we use to describe ...

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 ...

In 2017, NASA discovered and later confirmed the first interstellar object to enter our solar system. It wasn't aliens. But artist impressions of the object (called 'Oumuamua, the Hawaiian word ...

As Farnocchia pointed out, "there could be way more dark comets than we know" in the inner Solar System, which highlights the importance of studying these objects. NASA has now been using advanced ...

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 ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond ...

In 2017, NASA discovered and later confirmed the first interstellar object to enter our Solar System. It wasn’t aliens. But artist impressions of the object (called ‘Oumuamua, the Hawaiian ...