Links

Space Agencies

Solar System Missions

JPL and ESA maintain excellent sites on the status of current Solar System missions, so links (in the table below) to spacecraft such as Mars Reconnaissance Orbiter, Cassini or Ulysses will direct you towards the mission home pages. However, missions that took place prior to the advent of the World Wide Web have been extensively catalogued by the NSSDC, so head over to the NSSDC Chronology of Lunar and Planetary Exploration for information on older missions.

Missions to be excited about!

MESSENGER to Mercury	Venus Express
Cassini at Saturn	New Horizons to Pluto / Charon

Missions underway at Mars

Mars Science Laboratory, Curiosity	Mars Exploration Rovers, Spirit and Opportunity
2001 Mars Odyssey	Mars Reconnaissance Orbiter
Mars Express

Solar System Missions

Solar System body	Mission (and year of launch)
Sun	Ulysses (1990) SOHO (1995) SDO (2010) Solar Probe (2018)
Mercury	Mariner 10 (1973) MESSENGER (2004)
Venus	Venera 1 to 16 (1961 - 1983) Zond 1 (1964) Mariner 1, 2, 5, 10 (1962 - 1973) Pioneer Venus 1 & 2 (1978) Vega 1 & 2 (1984) Magellan (1989) Venus Express (2005)
Moon	Able 4, 5A, 5B (1958 - 1960) Pioneer 1, 2, 3, 4 (1958 & 1959) Luna 1 to 24 (1959 - 1976) Ranger 1 to 9 (1961 - 1965) Cosmos 60 (1965) Zond 3, 4, 5, 6, 7, 8 (1965 - 1970) Surveyor 1 to 7 (1966 - 1968) Orbiter 1 to 5 (1966 & 1967) Explorer 35, 49 (1967 - 1973) Apollo 8 to 17 (1968 - 1972) Hiten & Hagoromo (1990) Clementine (1994) Lunar Prospector (1998) SMART-1 (2003) SELENE (2007) Chandrayaan-1 (2007) Lunar Reconnaissance Orbiter (2008)
Mars	Mars 1, 2, 3, 4, 5, 6, 7 (1962 - 1973) Mariner 3, 4, 6, 7, 8, 9 (1964 - 1971) Zond 2 (1964) Viking 1 & 2 (1975) Phobos 1 & 2 (1988) Mars Observer (1992) Mars '96 (1996) Mars Pathfinder (1996) Mars Global Surveyor (1996) Mars Surveyor '98 (1998) Nozomi (or Planet-B) (1998) Mars Climate Orbiter (1998) Deep Space 2 (1999) Mars Polar Lander (1999) 2001 Mars Odyssey (2001) Mars Express (2003) Mars Exploration Rovers (2003) Mars Reconnaissance Orbiter (2005) Phoenix (2007) Mars Science Laboratory (2009)
Asteroids	Galileo (1989) NEAR (1996) Deep Space 1 (1999) Stardust (1999) Hyabusa (or MUSES-C) (2002) Dawn (2007)
Jupiter	Pioneer 10 & 11 (1972 & 1973) Voyager 1 & 2 (1977) Galileo (1989) Ulysses (1990) Cassini-Huygens (1997) New Horizons (2006) Juno (2011)
Saturn	Pioneer 11 (1973) Voyager 1 & 2 (1977) Cassini-Huygens (1997)
Uranus	Voyager 2 (1977)
Neptune	Voyager 2 (1977)
Pluto	New Horizons (2006)
Comets	ICE (1978) Vega 1 & 2 (1984) Sakigake (1985) Giotto (1985) Suisei (1985) Stardust (1999) Deep Space 1 (1999) CONTOUR (2002) Rosetta (2004) Deep Impact (2005)

Miscellaneous

BAA	British Astronomical Association
GSFC	Goddard Space Flight Center
IAU	Minor Planet Centre
ICQ	International Comet Quarterly
JPL's Solar System Simulator	Observe the current relative positions of the planets and their moons
KSC	Kennedy Space Center
LINEAR	Lincoln Near Earth Asteroid Research
NASA's Planetary Photojournal	Vast archive of images obtained by spacecraft
NSSDC	National Space Science Data Center
NSSDC Planetary Sciences	Planetary Sciences department of the NSSDC
Open Directory Project's Solar System section	See their main Astronomy section here
Planetary Society	Speaks for itself, I guess!
RAS	Royal Astronomical Society
SEC	Space Environment Center - a division of the NOAA - providing up-to-the-minute information on space weather and auroral activity
SEDS	Students for the Exploration and Development of Space
SETI@home	Download the screensaver and join the search for extraterrestrial intelligence!
SETI Institute	Search for Extraterrestrial Intelligence
STScI	Space Telescope Science Institute (i.e. Hubble!)
W. M. Keck Observatory	One of the largest telescopes on Mauna Kea, Hawaii