The conclusion of DESI's first survey marks an important milestone for cosmology, which finds itself in a bind for the best ...

Two billion years after the cosmos banged into existence, a mysterious force known as dark energy began shoving space outward ...

That light is then fed into spectrographs that split it into its component colors, allowing scientists to calculate how far ...

Only about 5% of the universe is composed of normal matter that we can directly observe, while the remaining 95% is widely ...

The cosmological constant is the mathematical description of the energy that drives the ever-accelerating expansion of the ...

After more than a decade of development, NASA’s Nancy Grace Roman Space Telescope is entering final preparations for an early ...

The universe has a hidden structure, and a University of Virginia professor is mapping it in 3D, using 46 million galaxies ...

The Dark Energy Spectroscopic Instrument, or DESI, has finished its planned 3D map of the universe — but the work is far from over. Carnegie Mellon University researchers are already pushing the ...

The cosmological constant has been a problem in physics since Einstein, but new research may show why it takes the value that ...

The team successfully built the largest, highest-resolution 3D map of the cosmos ever constructed. The completed map charts ...

"The dark structures shaping galaxies today could be relics from a time before the Big Bang." The post Physicist Proposes ...

Dark Energy Spectroscopic Instrument completes five-year survey of 47 million galaxies ...