Physicist Richard Lieu first explored the idea that gravity could exist without mass—now he’s got a new cosmological model ...

The new findings come from the Dark Energy Spectroscopic Instrument (DESI), which sits on a telescope at the Kitt Peak National Observatory in Arizona.

Physicists have proposed a new model of space-time that may provide the 'first observational evidence supporting string ...

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Dr. Richard Lieu, a physics professor at The University of Alabama in Huntsville (UAH), a part of The University of Alabama ...

New results from the Dark Energy Spectroscopic ... accelerating the expansion of the universe isn't what we believed it to be. This hints that our best theory of the universe's evolution, the ...

DESI maps distant objects to study dark energy. The instrument is installed on the Nicholas U. Mayall 4-meter Telescope, shown here beneath star trails. (Credit: KPNO ...

Data from a huge dark energy experiment is starting to suggest our current model of the universe is wrong. Physicists aren't completely sure yet, but they think they'll need a new theory for what ...

New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent result reinforces it. Using the Dark Energy Spectroscopic Instrument ...