The same scientists who reported water erupting from Europa in 2014 have now reanalysed 14 years of Hubble data and cut their confidence from 99.9% to below 90%. The signal may have been statistical noise, leaving Europa’s famous geysers physically plausible—but never conclusively observed, and never proven to connect with the ocean below.
In 2024, scientists dyed Michigan’s Peter Lake blue to block sunlight, then added fertilizer; despite the dye, rain washed pigment out and algae turned it green