A hidden ocean may have once existed on Uranus’ moon Ariel Scientists believe a moon of Uranus may have once had a subsurface ocean. Astrobitica October 1, 2025 (Last updated: October 1, 2025) 1 minute read Scientists believe a moon of Uranus may have once had a subsurface ocean. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: Data from dark-energy observatories indicate universe may ‘end in a big crunch’ at 33 billion years oldNext: Laser pulses in graphene control electrons with lightning speed and nanometer precision