Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

Need a new idea to keep kids entertained? Try stargazing. Free learning activities and videos about the solar system Free learning activities and videos about the solar system Free learning ...

The solar system moved through a star-forming area near Orion. This event might have increased interstellar dust around Earth ...

For a few evenings around 28 February, every planet in the solar system will be visible in the night sky, thanks to a rare great planetary alignment. Here's how to make sure you don't miss this ...

The Oort cloud is a shell of icy objects that forms the very outskirts of our Solar System. Recently ... has spiral arms that make it look like a galaxy. The arms were brought into existence ...

Astronomers will use the new map to learn more about certain stars in our galaxy than ever before ... plus information about asteroids in our own solar system. It even shows other galaxies ...

The entire solar system, ours at least, sits inside a pocket of low density called the Local Hot Bubble (LHB). This cavity in space is 1,000 light-years across, at least, and tips the thermometer at ...