Mars Research Timeline

By Luis Matthews


USSR Mars Probe

October 10, 1960

Failed to reach Earth orbit.

USSR Mars Flyby

November 30, 1964

Contact was lost en route.

USSR Mars Probe

May 10, 1971

Failed to leave Earth orbit.

USSR Mars Orbiter

July 21, 1973

Mars 4 arrived at Mars on February, 1974, but failed to go into orbit due to a malfunction of its breaking engine.

USSR Mars Orbiter/Lander

July 7, 1988

Phobos 1 was sent to investigate the Martian moon Phobos.

USSR Phobos Flyby/Lander

July 12, 1988

Phobos 2 arrived at Mars and was inserted into orbit on January 30, 1989.

USA Mars Orbiter

December 1996

The Mars Pathfinder delivered a stationary lander and a surface rover to the Red Planet

2001 Mars Odyssey

April 7, 2001

This Mars orbiter reached the planet on October 24, 2001 and served as a communications relay for future Mars missions.

Mars Rover

July 7, 2003

"Opportunity", also known as MER-B, was launched on July 7, 2003 and successfully arrived on Mars on January 24, 2004.

USA Mars Rover

November 26, 2011

The Mars Science Laboratory was launched on November 26, 2011.

InSight (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport)

March 27, 2016

InSight will take the first look into the deep interior of Mars to see why the Red Planet evolved so differently from Earth as one of our solar system's rocky planets.