People have launched many probes to Mars to find out whether there is life on Mars  In the detection area, it is found that the surface of Mars is acidic soil with a large amount of sulfate, which indicates the existence of volcanic activity on Mars
Exploration found that there is no liquid water on the surface of Mars
 In addition, the detection data shows that Martian soil samples also show signs of perchlorate, which is a compound that can act as an energy source for Martian microorganisms; at the same time, a strange sign-reduced iron was found on the surface of Mars, which indicates that there was life on the surface of Mars