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Ongoing Missions

Voyager (U.S.)

Ulysses (U.S. and European Space Agency)

Mars Global Surveyor (MGS) (U.S.)

Cassini-Huygens (U.S., the European Space Agency, and the Italian Space Agency)

2001 Mars Odyssey (U.S.)

Wilkinson Microwave Anisotropy Probe (WMAP) (U.S.)

Mars Express (European Space Agency)

Mars Exploration Rovers (MER) (U.S.)

MESSENGER (MErcury Surface, Space ENvironment, GEochemistry, and Ranging mission) (U.S.)

Mars Reconnaisance Orbiter (MRO) (U.S.)

New Horizons (U.S.)

Space Technology 5 (U.S.)

Official NASA Page for Ongoing Missions


Completed/Past Missions