PORTSMOUTH, England, March 22 -- The University of Portsmouth issued the following news: * * * Scientists reveal 'dark energy' could be changing over time in unexpected ways The mysterious force called Dark Energy, which drives the expansion of the Universe, might be changing in a way that challenges our current understanding of time and space Key highlights: * The latest analysis from the Dark Energy Spectroscopic Instrument (DESI), which uses three years of data, indicates that dark ener  more