Our Solar System

Rubble reveals the chaotic birth of our solar system
Rubble reveals the chaotic birth of our solar system
The ‘small wonders’ unlocking secrets of the solar system
The ‘small wonders’ unlocking secrets of the solar system
Staring at the sun—a close (but safe) look at our home star
Staring at the sun—a close (but safe) look at our home star
Lucy in the Sky with Asteroids
Lucy in the Sky with Asteroids
The solar system, explained
The solar system, explained
Fun Facts and Activities for Families
Need a new idea to keep kids entertained? Try stargazing.
Need a new idea to keep kids entertained? Try stargazing.
Your family guide to stargazing the fall sky
Your family guide to stargazing the fall sky
Passport to Space
Passport to Space
Free learning activities and videos about the solar system
Free learning activities and videos about the solar system
Take a Virtual Field Trip to outer space
Take a Virtual Field Trip to outer space
Following a hunch that there might be a missing planet in between Mars and Jupiter, early 19th-century astronomers serendipitously discovered the first asteroids. Today, spacecraft missions provide scientists a closer look at these important building blocks of our solar system.
The Planets
Planet Uranus, explained
Planet Uranus, explained
Neptune, explained
Neptune, explained
Elsewhere In the Universe
Origins of the Universe
Origins of the Universe
Asteroids and Comets
Asteroids and Comets
Galaxies, explained
Galaxies, explained
Orbital Objects
Orbital Objects
Latest Features

Read about the most recent findings in our solar system.

The Latest Images of Our Solar System and Beyond
The first person to see the 'Pale Blue Dot' image still has it stashed in her closet
The first person to see the 'Pale Blue Dot' image still has it stashed in her closet
Sun Is Moving Slower Than Thought
Sun Is Moving Slower Than Thought
First Picture of Alien Planet … Isn't?
First Picture of Alien Planet … Isn't?