ESA's Planetary Science Archive (PSA) data products are all scientifically peer-reviewed and archived in the Planetary Data System (PDS) standard
LEARN MORE ABOUT PSA AND PDS STANDARDS
Studying the surface and internal composition of Mercury
Searching for evidence of methane and other trace gases in the martian atmosphere which may be signatures of active biological or geological processes, current or in the past
Helping solve the mysteries surrounding Comet Halley by passing as close as possible to the comet's nucleus
Landing on Saturn's moon Titan to conduct a study of its atmosphere and surface composition
Mission to study Ganymede, Callisto, and Europa, three of Jupiter's Galilean moons.
Helping to answer fundamental questions about the geology, atmosphere, surface environment, history of water and potential for life on Mars
To study the origin of comets, the relationship between cometary and interstellar material
Testing a solar electric propulsion system and other deep-space technologies, while performing scientific observations of the Moon
Investigating the complex dynamics and chemistry of the venusian atmosphere, and the interactions between the atmosphere and the surface