If you are a budding astronomer or simply enjoy watching the sky through a telescope, you probably have an interest in all of the planets in our solar system. There are a total of eight planets ...

From the scorching surface of Mercury to the icy edges of Neptune, our planetary neighborhood is full of wonders. The order of the planets isn’t just trivia—it tells a story about temperature, ...

Beyond the familiar planets lies a fascinating frontier filled with icy worlds, mysterious orbits, and cosmic curiosities.

Think of our solar system like a big family. The Sun is the parent, and the eight planets are like siblings. Each planet is unique, just like how every person in a family is different.

This process, called accretion , is how everything in the solar system – planets, moons, comets and asteroids – came into being. Telescopes can see young solar systems being born.

Now, a group of scientists says Pluto should definitely be added back to the planet list — oh, and that there are over 100 other objects in our solar system that should also be called planets.

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system.

Between February 25 and February 28, all seven planets in our solar system will be visible in the night sky. (Credit: WSET) You'll need a telescope for some of them, but you should be able to find ...

The smallest and largest planets that form our solar system range incredibly in temperature, composition, geology, and of course size.

Think you know your way around the solar system? From the scorching surface of Mercury to the icy edges of Neptune, our planetary neighborhood is full of wonders. The order of the planets isn’t ...

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

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