List of current missions
Missions currently en-route to Mars, landed on the surface or orbiting the planet are listed below.
| Mission | Type | Launch date | Arrival date | Principal organization |
| 2001 Mars Odyssey | Orbiter | 7 April 2001 | 24 October 2001 | NASA |
| Mars Express | Orbiter | 2 June 2003 | 25 December 2003 | ESA |
| Spirit | Rover | 10 June 2003 | 4 January 2004 | NASA |
| Opportunity | Rover | 7 July 2003 | 25 January 2004 | NASA |
| Mars Reconnaissance Orbiter | Orbiter | 12 August 2005 | 10 March 2006 | NASA |
| Phoenix | Lander | 4 August 2007 | May 2008 | NASA |
