CONTOUR: Comet Nucleus Tour - Project homepage for the planned mission, timed to encounter and study at least two comets in the inner solar system.

ANTS Asteroid Survey - Homepage for the Autonomous Nano Technology Swarm, a plan to survey the asteroid belt using an autonomously operating swarm spacecraft.

MUSES-C - Project homepage for the planned asteroid sample return mission, by the Japanese Institute of Space and Astronautical Science.

Giotto - Information on the European mission to Halley's Comet (1985-1992).

Muses-C - Spacecraft and mission profile from the National Space Science Data Center.

Near Earth Asteroid Prospector - First planned commercial deep-space mission to near earth asteroid 1998 KY26 by the SpaceDev commercial corporation. Includes overview of the mission and information on the asteroid.

Rosetta Mission - Mission with five sensors capable of complementary measurements of the plasma environment around the comet Wirtanen. Mission and technology information.