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 ...

Like me, a few cosmologists have become distracted by other problems over the last two decades ... results are intriguing – the data alone is still consistent with a cosmological constant, but with ...

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 ...

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 ...

The new data support one of the two posited values for the Hubble constant. A warp in the fabric ... examining how it has changed over time to estimate how quickly the cosmos has expanded.

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 ...

Fifteen years ago cosmologists were flying high. The simple but wildly successful “standard model of cosmology” could, with just a few ingredients, account for a lot of what we see in the ...