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This artist's rendering shows NASA's Europa Clipper spacecraft, which is aiming for launch readiness by 2024.

This complex terrain on Jupiter's moon, Europa, shows an area centered at 8 degrees north latitude, 275.4 degrees west longitude, in the trailing hemisphere.

Engineers install 2-foot-wide reaction wheels onto the main body of NASA’s Europa Clipper spacecraft at the agency’s Jet Propulsion Laboratory. The orbiter is in its assembly, test, and launch oper...

An engineer ground tests Europa Clipper’s dust analyzer.

An engineer prepares to integrate the SUrface Dust Analyzer (SUDA)'s sensor head with an ion detector at the Laboratory for Atmospheric and Space Physics (LASP) at the University of Colorado Boulde...

Dr. Kurt Retherford, Europa Ultraviolet Spectrograph (Europa-UVS) instrument Principal Investigator, took the top off the instrument in the Southwest Research Institute (SwRI)’s clean room faciliti...

The high gain antenna for the Europa Clipper recently underwent testing. 

This high-resolution image of Jupiter's moon Europa, taken by NASA's Galileo spacecraft camera, shows dark, relatively smooth region at the lower right hand corner of the image which may be a place...

This image of Europa's surface was obtained by the Solid State Imaging (CCD) system on board NASA's Galileo spacecraft during its fourth orbit of Jupiter, Linear features with bright central stripe...

Engineers prepare Europa Clipper's thermal imager for a series of tests in a clean room at NASA's Jet Propulsion Laboratory following the instrument's delivery.

NASA’s Europa Clipper, with all of its instruments installed, is visible in the clean room of High Bay 1. 

This colorized image of Europa is a product of clear-filter grayscale data from one orbit of NASA's Galileo spacecraft.

Europa's surface as seen by the Galileo spacecraft during its 17th orbit around Jupiter.

Europa Clipper’s 28-foot (8.5-meter) magnetometer boom is unfurled at NASA’s Jet Propulsion Laboratory.

In this movie Europa is seen in a cutaway view through two cycles of its 3.5 day orbit about the giant planet Jupiter.

This view of the Conamara Chaos region on Jupiter's moon Europa taken by NASA's Galileo spacecraft shows an area where the icy surface has been broken into many separate plates that have moved late...

Backup flight-ready ion detectors for the SUrface Dust Analyzer (SUDA) are stored in a dry nitrogen environment to protect these highly sensitive instruments from degradation due to contamination o...

A 3D model of the Plasma Instrument for Magnetic Sounding (PIMS), a plasma and magnetic field instrument on Europa Clipper. 

U.S. Poet Laureate Ada Limón makes her first visit to NASA's Jet Propulsion Laboratory (JPL).

The SUDA instrument undergoes dust acceleration testing. 

Recently assembled Faraday cup sensors and instrument housings in two configurations.

Engineers following initial inspections of Europa Clipper's ultraviolet spectrograph in a cleanroom at NASA's Jet Propulsion Laboratory in Southern California.

This animation segment shows the deployment of NASA’s Europa Clipper ECM boom after launch.

This view of Jupiter's moon Europa features several regional-resolution mosaics overlaid on a lower resolution global view for context.

This animation segment shows the deployment of NASA’s Europa Clipper ECM boom after launch.