One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about ...

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 ...

A weak magnetic field likely attracted matter inward, contributing to the formation of the outer planetary bodies, from ...

Our solar system passed through a vast wave of gas and dust around 14 million years ago, dimming Earth’s view of the night ...

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...