Explore space with these fun solar system worksheets. Kids will learn about planets, moon phases, and space exploration through hands-on activities. Perfect for home or classroom use, these ...

Though Pluto has formally been considered a dwarf planet for almost two decades, it still has many lessons left for planetary scientists — including hints about how the solar system formed.

You might think, then, that the coldest planet in the solar system would be Neptune, as it is the furthest away from the sun's warmth.Neptune is an incredible three billion miles away from the sun ...

The planets in our Solar System are heated by the Sun. Here on Earth, we are about 100 million miles away from the Sun – a distance that provides the perfect temperature for life. You might think, ...

You might think, then, that the coldest planet in the Solar System would be Neptune, as it is the furthest away from the Sun’s warmth. Neptune is an incredible three billion miles away from the Sun.

Scientists announced the discovery of a potential "Planet Nine" in our solar system on Jan. 20, 2016. See images of this strange giant world in our neighborhood here.