Dark Energy Spectroscopic Instrument

March 22, 2025: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.

The latest Dark Energy Spectroscopic Instrument results fall short of the discovery threshold but strengthen evidence for dynamical dark energy.

Dark energy is a mystery so daunting that it stretches and strains our most robust theories. The universe is expanding, driven by the unknown force that we've named Dark Energy. Dark Energy is also accelerating the rate of expansion. If scientists could figure out why, it would open up a whole new avenue of understanding.

The Lambda-CDM (ΛCDM) model has been the foundation of modern cosmology for some time now, successfully describing large-scale structures in the Universe.

A new data release from the Dark Energy Spectroscopic Instrument hints that the universe's dark energy is not constant and may be weakening over time. The post New data hints dark energy in the universe is evolving first appeared on EarthSky.

The discovery more than doubled the number of intermediate-mass black holes we'd seen before.

Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New findings risk turning the tension into a crisis, scientists say.

A map of 31 million galaxies created by the Dark Energy Spectroscopic Instrument will be released next year, and could shed light on the origins of this mysterious force

Astronomers using the Dark Energy Spectroscopic Instrument (DESI), a state-of-the-art instrument mounted on NSF's Nicholas U. Mayall 4-m telescope at Kitt Peak National Observatory, have mapped how nearly 6 million galaxies cluster across 11 billion years of cosmic history.

Are you ready for the "Big Crunch?"

In just one year of observations, a program that is creating the largest 3D map of the universe to date has sniffed out hints that dark energy may be stranger than scientists supposed

Over the past few years the Dark Energy Spectroscopic Instrument, or DESI – a scientific research instrument for conducting spectrographic astronomical surveys of distant galaxies – has...

Scientists have analyzed the first batch of data from the Dark Energy Spectroscopic Instrument's quest to map the universe and unravel the mysteries of dark energy.

Our leading model of the universe assumes dark energy to be constant across the universe and throughout time. Emerging evidence suggests that may not be the ...

The universe is teeming with galaxies, each brimming with billions of stars. Though all galaxies shine brightly, many are cloaked in dust, while others are so distant that to observers on Earth they appear as little more than faint smudges. By creating comprehensive maps of even the dimmest and most-distant galaxies, astronomers are better able to study the structure of the universe and unravel the mysterious…

Cosmological coupling -- a newly-predicted phenomenon in Albert Einstein's theory of gravity -- allows black holes to grow in mass without consuming gas or stars.

There is so much unknown about the subatomic particles known as neutrinos, but researchers are trying to crack the code on their elusiveness.

The Dark Energy Spectroscopic Instrument (DESI), currently pointed at the skies from its home in the Nicholas U. Mayall Telescope at the Kitt Peak National Observatory in Arizona, is tasked with charting the expansion of space, investigating dark en

Ohio State University scientists are collaborating on an international effort to produce a 3D map of the universe in unprecedented detail, allowing physicists and astronomers a clearer understanding of dark energy and yielding more insights into the universe's past and future.Though it's only about 10% through its five-year mission, the Dark...

Some agree. Others are far from convinced.