Scientists may have solved a chemistry mystery about Jupiter’s ocean moon Europa A long-standing mystery about the presence of hydrogen peroxide on Jupiter's icy ocean moon Europa may be closer to being solved. Astrobitica July 23, 2025 (Last updated: July 23, 2025) 1 minute read A long-standing mystery about the presence of hydrogen peroxide on Jupiter’s icy ocean moon Europa may be closer to being solved. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: Space Force’s Golden Dome chief says space-based missile interceptors are possible today. ‘We have proven every element of the physics’Next: A New Fuel for Nuclear Power Systems Could Enable Missions to Mars and Beyond