But there are some tantalizing hints that it could vary over time ... data in 1929. Prior to this, Einstein had been trying to modify general relativity by adding a cosmological constant to ...

Like me, a few cosmologists have become distracted by other problems over ... the data alone is still consistent with a ...

The data, when combined with other cosmological ... Matter (ΛCDM), assumes that dark energy is a constant force that remains unchanged over time. This assumption is based on Einstein’s ...

Last year, we reported on an exciting hint of new physics in the first data analysis results ... rather than being constant, might vary over time. Granted, those hints were still below the ...

For the next 25 years, most assumed this force was constant ... group that analyzed the DESI data. The idea that dark energy might be changing over time is more than a provocative twist; it ...

For the past decade, scientists have been trying to get to the bottom of what seemed like a major inconsistency in the ...

Last year, we reported on an exciting hint of new physics in the first data analysis results ... rather than being constant, might vary over time. Granted, those hints were still below the ...

Collected over no more than a fifth of DESI's mission operating time, data gleaned with the survey ... therefore, not constant after all," Luz Ángela García Peñaloza, former DESI team member ...

The purchasing power of the dollar changes over time due to inflation ... Any kind of financial data represented in dollar terms can be converted into constant dollars by using the consumer ...

WASHINGTON, March 19 (Reuters) - New data involving millions of ... universe's accelerated expansion - has weakened over time rather than remaining constant, as long hypothesized.