How many missions have landed on mars?

Exploration of the Planet Mars - missions, videos, images and information. ... 21, 1973, Mars 7 Lander, USSR, Failure, Missed planet; now in solar orbit. 22, 1975, Viking 1 Orbiter/Lander, US, Success, Located landing site for Lander and first successful landing on Mars. read more

The Mars lander and rover landed on July 4, 1997 and communicated with ground teams last on Sept. 27, 1997. Mars Exploration Rover Spirit: U.S., launched June 10, 2003. The Mars rover landed on the Red Planet on Jan. 4, 2004 for three-month mission to look for signs of past water activity on Mars. read more

Missions dedicated to explore the two moons of Mars, Phobos and Deimos. Many missions to Mars have also included dedicated observations of the Moons, while this section is about missions focused solely on them. There have been three unsuccessful dedicated missions and many proposals. read more