Current:

Stardust    The Stardust spacecraft will fly through the cloud of dust that surrounds the nucleus of comet Wild-2 and, for the first time ever, bring cometary material back to Earth.	Launch Date:  February 7, 1999 Encounter:  January 2, 2004
Microwave Instrument on Rosetta Orbiter    The European Space Agency's Rosetta spacecraft will rendezvous with comet 67P/Churyumov-Gerasimenko in 2014. While Rosetta orbits the comet, JPL's Microwave Instrument onboard the spacecraft will study gases given off by the comet.	Launch:  March 2, 200
Deep Impact    Deep Impact is a spacecraft that will travel to comet Tempel 1 and propel a large projectile into the surface of the comet, creating a crater expected to reveal information about the comet nucleus.	Launch:  January 12, 2005

Past Encounters:

Deep Space 1    On an extended mission, Deep Space 1 flew past comet Borrelly in September 2001, taking the best ever images of a comet's nucleus.

Launched:  Oct. 24, 1998 Encountered Borrelly:  Sept. 22, 2001 Go to Borrelly images