(CNN) — Here’s a look at the exploration of Mars. The United States, Soviet Union and China are the only three countries to land a spacecraft on Mars. There have been nine successful US Mars landings: ...
Nilton O. Rennó receives funding from NASA, JPL, DARPA, and IARPA. Mars is a very dry planet with very little water in its atmosphere and hardly any clouds, so you might not expect it to have storms.