Tags: Pluto

Pluto Explained

The smallest and most-distant planet in our solar system is tiny, icy Pluto. It is even smaller than our moon, and it wasn’t discovered until 1930 — the only planet...

Pluto: Is It a Planet After All?

This artist’s rendering shows how Pluto, on the right, might look from a position high above its equator. To the left and beyond Pluto is Charon, its satellite moon. The...