The fourth planet from the sun and the Earth’s nearest neighbor ... they also examine minerals on the spot to see how the water and the rocks are interacting in these extreme conditions. Other members ...

Then, at night, the temperature drops and the water expands as it turns to ice, splitting the rock like a sledgehammer to a wedge. The next day, under the beating sun, the ice melts and trickles ...

The planetary pockmarks are known as some of the coldest places in the Solar System. The shivery situation is to be further ...