Cryovolcanism - United States News Beep

Ammonia on Europa: Large rectangle showing gray surface from above, with long, dark cracks and small red and purple pixelated shapes. A moon, Europa, with long cracks on its surface is to the left of the rectangle. It is connected to the rectangle by 2 thin white lines.

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New discovery of ammonia on Europa hints at active geology

February 8, 2026

View larger. | Composite image showing location of some of the ammonia-bearing compounds on Jupiter’s moon Europa (red…

In this composite image, red pixels mark locations on Europa’s surface where ammonia-bearing compounds were detected; purple indicates no such detection. Image credit: NASA / JPL-Caltech.

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Ammonia-Bearing Compounds Detected on Europa for First Time

February 1, 2026

A new analysis of archival data from the Near Infrared Mapping Spectrometer (NIMS) on board NASA’s Galileo spacecraft…