The exploration of Mars has been an important part of the space exploration programs of several countries.
Dozens of robotic space probes, including orbiters, landers, and rovers, have been launched toward Mars since the 1960s.
Mariner 4 · 6 · 7 · Mars 4 · Rosetta · Dawn
Mariner 9 · Mars 2 · 3 · 5 · Viking 1 · 2 · Fobos 2 · Mars Global Surveyor · 2001 Mars Odyssey · Mars Express · Mars Reconnaissance Orbiter · Fobos-Grunt · Yinghuo-1
Mars 3 · Viking 1 · Viking 2 · Mars Pathfinder · Phoenix · Mars Science Laboratory · Fobos-Grunt (lander targets Mars's moon Phobos)
Sojourner · Mars Exploration Rovers (Spirit · Opportunity) · Curiosity rover
Manned mission
Exploration · Colonization · Failed Mars missions · Mars Scout Program