Caltech scientists published a study using NASA Curiosity rover imagery showing the past existence of warm water on Mars.

MYSTERY hills have been found on Mars sparking hopes scientists can solve the planet’s biggest mystery from billions of years ago. The Red Planet is dotted with thousands of mounds ...

Thousands of mysterious clay mounds found on Mars were formed by ancient water on the Red Planet's barren northern plains, ...

Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic ...

There is already water on Mars, but it is in the form of ice and mixed with carbon dioxide. According to NASA, they are ...