This past winter, the Rocky Mountains experienced an historic snow drought, a worrying development for the tens of millions ...

Although most of the times far less spectacular in size and manifestation than the ones occurring on Earth, natural processes do take place on now-dead Mars. And one of the most common such processes ...

The presence and behavior of ice and water are key to understanding the evolution of Mars’ geology and climate, the potential for life on Mars, and the future of exploration. This enhanced-color image ...