The Dark Energy Spectroscopic Instrument (DESI) is a state-of-the-art multi-fibre spectrograph installed on the Mayall Telescope at Kitt Peak Observatory. Over a five-year programme, DESI aims to ...

An artistic celebration of the Dark Energy Spectroscopic Instrument (DESI) year-one data, showing a slice of the larger 3D map that DESI is constructing during its ...

The fate of the universe hinges on the balance between matter and dark energy: the fundamental ingredient that drives its accelerating expansion. New results from the Dark Energy Spectroscopic ...

Astronomers spent 13 years creating the largest two-dimensional color map of the universe, revealing nearly 4 billion cosmic ...

Add Yahoo as a preferred source to see more of our stories on Google. Trails of stars can be seen after an hour-long exposure above Kitt Peak National Observatory, home of the Nicholas U. Mayall ...

After five years of mapping the sky in 3D — an area that stretches from Earth’s front porch to about 11 billion light-years away — researchers at the Dark Energy Spectroscopic Instrument (DESI) ...

Dark energy is a dynamic entity, rather than a matter-of-fact constant in the universe’s rapid unfurling, a team of scientists announced this week. The Dark Energy Spectroscopic Instrument, or DESI, ...

In April, the Dark Energy Spectroscopic Instrument (DESI) in Arizona completed its five-year mission to produce the largest-ever high-resolution 3D map of the universe. DESI "observed more than 47 ...

NASA's latest space telescope may up-end our entire model of the cosmos by taking a closer look at a shadowy phenomenon ...

NEW YORK – Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought. Astronomers know that the universe is being pushed apart ...

Dark energy—the term used to describe whatever is causing the universe to expand at an increasing rate—is one of the universe's greatest mysteries. The most widely accepted theory currently suggests ...

Researchers have presented new measurements that account for half of the universe’s hydrogen gas — which had previously been regarded as “missing” in cosmic scientific discourse. The study was ...