CAESAR will acquire a sample from the nucleus of comet Churyumov-Gerasimenko and return it to Earth.
CUTE is a NASA-funded project to design, build, integrate, test, and operate a 6-unit CubeSat (30 cm x 20 cm x 10 cm).
ExoMars Trace Gas Orbiter
IMAP is planned for launch in 2024; it will sample, analyze, and map particles streaming to Earth from the edges of interstellar space.
The goal of the Juno spacecraft, which successfully entered the orbit of Jupiter on July 4, 2016, is to reveal the story of Jupiter's formation and evolution.
The Lunar Reconnaissance Orbiter is a NASA robotic spacecraft currently orbiting the Moon in an eccentric polar mapping orbit
NEOWISE is a NASA infrared-wavelength astronomical space telescope with the mission to identify and characterize the population of near-Earth objects. NEOWISE is also characterizing more distant populations of asteroids and comets to provide information about their sizes and compositions.
Parker Solar Probe
The Star-Planet Activity Research CubeSat (SPARCS) is a small space telescope about the size and shape of a family-size Cheerios box.