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

Dark energy is a mystery so daunting that it stretches and strains our most robust theories. The universe is expanding, ...

Scientists are homing in on the nature of a mysterious force called dark energy, and nothing short of the fate of the ...

New data involving millions of galaxies and luminous galactic cores is providing fresh evidence that the enigmatic and ...

Discovering the nature of dark energy may seem an academic exercise for cosmologists, but "nothing short of the fate of the ...

Astronomers thought dark energy was a constant. But now, findings from the Dark Energy Spectroscopic Instrument provide even more evidence that it may be fluctuating ...

The Dark Energy Spectroscopic Instrument (DESI) is studying dark energy and the accelerated expansion of the universe.

Here’s how it works. New results from the Dark Energy Spectroscopic Instrument (DESI) suggest that the unknown force accelerating the expansion of the universe isn't what we believed it to be.

For decades, scientists believed the universe was not just expanding but doing so at an ever-increasing pace, thanks to an ...

The fate of the universe hinges on the balance between matter and dark energy: the fundamental ingredient that drives its accelerating expansion.

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 ...