Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. Are planets in the solar system that are ...

The new galaxy, because of how far away it is, looks to observers exactly as it did when it was first created 3 billion years ...

A new study sheds light on what Jupiter, often called the "architect" of the solar system, was like in the beginning. The giant planet has dramatically changed.

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

There are 8 planets in the solar system, each unique in size, distance, and composition. Learn about all the planets in order from the Sun, their characteristics, and key facts that make them ...

Why do the solar system’s planets have different compositions? While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky ...

This process, called accretion, is how everything in the solar system – planets, moons, comets and asteroids – came into being.

This process, called accretion, is how everything in the solar system – planets, moons, comets and asteroids – came into being.

This article was originally featured on The Conversation. Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Are planets in the solar system that are closer to the Sun older than the ones ...