Two gigantic canyons on the moon — both deeper than the Grand Canyon — were carved in less than 10 minutes by floods of rocks ...

When the moon turned red thousands of year ago, the ancient Mayans and Mesopotamians feared that something monstrous and evil was eating the moon. They would shout at the night sky to try and fend ...

In a phenomenon called the occultation of Mars, the moon will pass directly in front of the red planet, temporarily hiding it from view for observers across large swaths of the Earth. Here's ...