A rock containing many smaller round stones could indicate that there was once a large amount of liquid water on the Red ...

It still snows on Mars, but no spacecraft or rover has ever captured it. Mars is seen as a cold and dry planet. But researchers believe it was once warm and wet. Science & Tech Trending ...

Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the ...

Despite its current dry and cold state, evidence suggests ancient Mars had significant amounts of liquid water in the form of lakes, rivers, rain, and snow.