If planet X exists, it is likely a gas giant similar to Neptune. NASA/Caltech/R. Hurt (IPAC), CC BY Our solar system is a particularly crowded place. Millions of objects move within it, whether they ...

Fostering curiosity about astronomy and space exploration among children, a new book titled “Champu’s Trip to Outerspace” offers an engaging exploration of the solar system for young readers. The ...

For billions of years, it's kept our ... solar system. The solar system is approximately 4.6 billion years old. Astronomers believe that roughly 100 million years into its existence, the planets ...

Space.com talks to artist and author Martin Vargic, who is turning exoplanets into stunning and intricate art.

Daydreaming in the Solar System. Through a combination of story and science, this book invites readers to explore planets, moons, asteroids, and comets as if they were there in person. John Moores ...