Physicists are waging a cosmic fight over the character of darkish power

Is darkish power converting, or is it simply extra of the similar? Last month, astronomers introduced the startling discovering that darkish power – which is believed to motive the accelerating growth of the universe – may weaken through the years. This has pressured physicists to imagine upending the usual cosmological style of the universe however now, some researchers are pronouncing this can be untimely.

Since it began scanning the sky in 2021, the Dark Energy Spectroscopic Instrument (DESI) in Arizona has been sparsely measuring the distances between thousands and thousands of…