Although the Moon’s gravity is low, only about 0.165 of the Earth, rock and soil move down slope over time. In geology, such processes are called mass wasting and is one of the principal sources ...

To explain how mass wasting can happen without lots of water, it's important to know that the present-day atmosphere of Mars is very thin – the mean pressure is around 7mb (millibars) (compared ...

To explain how mass wasting can happen without lots of water, it’s important to know that the present-day atmosphere of Mars is very thin – the mean pressure is around 7mb (millibars ...