| Time (UTC/GMT+0) | Mission | Event |
|
| Marsnik 1 | Planned Mars flyby. Launch failure. |
|
| Sputnik 22 | Planned Mars flyby. Exploded in Earth orbit. |
|
| Mars 1 | Contact lost prior to planned Mars flyby at 193,000km. |
|
| Sputnik 24 | Planned Mars lander. Broke up on leaving Earth orbit. |
|
| Mariner 3 | Planned Mars flyby. Launch error caused spacecraft to miss Mars. |
|
| Mariner 4 | Mars flyby |
|
| Zond 2 | Contact lost 3 month before planner Mars flyby at 1,500km. |
|
| Mariner 6 | Mars flyby |
|
| Mariner 7 | Mars flyby |
|
| Mars 1969A | Planned Mars orbiter. Launch failure. |
|
| Mars 1969B | Planned Mars orbiter. Launch failure. |
|
| Cosmos 419 | Failed Mars Orbiter/Lander. |
|
| Mars 2 | Mars orbit. Landing failed |
|
| Mars 3 | Mars orbiter. Landing failed |
|
| Mariner 9 | Mars orbiter |
|
| Mars 4 | Mars flyby. Orbit insertion failed |
|
| Mars 5 | Mars orbiter |
|
| Mars 6 | Attempted Mars lander. Contact lost before touchdown |
|
| Mars 7 | Attempted Mars lander. Missed Mars |
|
| 1976-06-19 | Viking 1 | Mars orbit insertion |
|
| 1976-07-20 11:53:06 | Viking 1 | Lander touchdown on Mars |
|
| 1976-08-07 | Viking 2 | Mars orbit insertion. Initial orbit 1,500 x 33,000 km |
|
| 1976-09-03 22:37:50 | Viking 2 | Lander touchdown on Mars |
|
| Mars Observer | Failed Mars orbiter |
|
| Mars 96 | Failed to leave Earth for planned Mars orbit |
|
| Mars Pathfinder | Mars rover |
|
| 1997-09-12 01:30 | Mars Global Surveyor | Mars Orbit Insertion. First spacecraft to use aero-braking to achieve its final orbit. |
|
| Nozomi | Mars flyby. Orbit insertion failed |
|
| Mars Climate Orbiter | Failed Mars orbiter |
|
| Mars Polar Lander | Failed Mars lander |
|
| 2001-10-24 02:26 | Mars Odyssey | 19.7 minute Mars orbit insertion burn |
|
| 2003-12-25 03:47 | Mars Express | Mars orbit insertion |
|
| 2004-01-24 21:05 | Opportunity | Opportunity landing on Mars |
|
| 2006-03-10 21:32 | MRO | Closest approach to Mars (400 km) |
|
| 2007-02-25 01:57:59 | Rosetta | Mars Flyby 250 km above surface |
|
| 2008-05-25 23:38:24 | Phoenix | Touchdown on Mars (0 km) |
|
| 2009-02-18 00:27:58 | Dawn | Mars Flyby. Altitude 542 km |
|
| 2012-01-01 | Mars Express | Current end of mission |
|
| 2012-08-06 | Curiosity (MSL) | Mars arrival window opens |
|