Dark Energy News - SciTechDaily

Cambridge Researchers Discover New Way To Measure Dark Energy

University of Cambridge — Sat, 23 Sep 2023 12:09:22 +0000

Researchers from the University of Cambridge have discovered a new way to measure dark energy – the mysterious force that makes up more than two-thirds...

Universe Defies Einstein’s Predictions: Cosmic Structure Growth Mysteriously Suppressed

University of Michigan — Thu, 14 Sep 2023 08:21:26 +0000

Scientists have discovered that cosmic structures grow slower than Einstein’s Theory of General Relativity predicts, with dark energy playing a more dominant inhibitory role than...

At the Universe’s Edge – Scientists Put Einstein and Euler to the Test

University of Geneva — Wed, 26 Jul 2023 20:53:17 +0000

A team from the University of Geneva has developed the first method for testing together Einstein’s and Euler’s theories for the accelerating expansion of the...

On the Trail of a Mysterious Force in Space – Scientists Shed New Light on Dark Energy

Ludwig Maximilian University of Munich — Mon, 17 Jul 2023 06:21:45 +0000

An initial study of dark energy using eROSITA suggests that it is evenly dispersed across both space and time. Edwin Hubble’s observation of distant galaxies...

Unveiling Cosmic Mysteries: Euclid Launches on Epic Voyage To Map the Universe’s Dark Side

Jet Propulsion Laboratory — Sun, 02 Jul 2023 23:36:18 +0000

NASA is contributing to the European Space Agency mission, which will complement dark energy studies by the agency’s upcoming Nancy Grace Roman Space Telescope. The...

Euclid “Dark Universe” Space Telescope Lifts Off on Quest To Unravel Deepest Cosmic Mysteries

European Space Agency (ESA) — Sun, 02 Jul 2023 09:17:05 +0000

ESA’s Euclid spacecraft lifted off aboard a SpaceX Falcon 9 rocket from Cape Canaveral Space Force Station in Florida, USA, at 11:12 a.m. EDT on...

Unraveling the Universe: Groundbreaking Measurement Shakes Up Physics

Swiss Federal Institute of Technology Lausanne (EPFL) — Wed, 05 Apr 2023 02:58:12 +0000

When it comes to measuring how fast the Universe is expanding, the result depends on which side of the Universe you start from. An EPFL...

“Cosmological Coupling” – New Evidence Points to Black Holes as Source of Dark Energy

University of Hawaii at Manoa — Thu, 16 Feb 2023 02:37:50 +0000

Searching through existing data spanning 9 billion years, a team of researchers led by scientists at the University of Hawaiʻi at Manoa has uncovered the...

Physicists Discover a New Approach for Solving the Bizarre Dark Energy Mystery

University of Luxembourg — Mon, 30 Jan 2023 03:19:17 +0000

What is behind dark energy — and what connects it to the cosmological constant introduced by Albert Einstein? Two physicists from the University of Luxembourg...

Supernova Explosions Reveal Precise Details of Dark Energy and Dark Matter

Harvard-Smithsonian Center for Astrophysics — Sun, 23 Oct 2022 15:06:10 +0000

An analysis of more than two decades’ worth of supernova explosions convincingly boosts modern cosmological theories and reinvigorates efforts to answer fundamental questions. A powerful...

NASA Scientists Probe Dark Energy – Time To Rework Albert Einstein’s Theory of Gravity?

Calla Cofield, Jet Propulsion Laboratory — Thu, 25 Aug 2022 08:40:00 +0000

Could one of the biggest puzzles in astrophysics be solved by reworking Albert Einstein’s theory of gravity? Not yet, according to a new study co-authored...

Astronomy & Astrophysics 101: Dark Energy

ESA/Hubble — Sat, 28 May 2022 08:15:06 +0000

What Is Dark Energy? Dark energy is the name given to the as yet unknown energy source that is causing our Universe’s expansion to accelerate....

Dark Energy Vs. Modified Gravity: NASA’s Roman Mission Will Test Competing Cosmic Acceleration Theories

Ashley Balzer, NASA’s Goddard Space Flight Center — Wed, 30 Mar 2022 09:25:04 +0000

A team of scientists has predicted the science return from one of NASA’s Nancy Grace Roman Space Telescope’s groundbreaking planned surveys, which will analyze millions...

Is Dark Energy Just an Illusion? Neutron Stars Will Tell Us

Scuola Internazionale Superiore di Studi Avanzati — Sun, 06 Mar 2022 02:49:44 +0000

SISSA scientists provide the first simulation of neutron star collisions in extensions of general relativity relevant for cosmology, offering a new approach to test gravity....

Shadow of Cosmic Water Cloud Reveals Secrets of Early Universe – Confirms Properties of Dark Energy

University of Cologne — Tue, 15 Feb 2022 00:12:38 +0000

An international group of astrophysicists has discovered a new method to estimate the cosmic microwave background temperature of the young Universe only 880 million years...

Dark Energy Spectroscopic Instrument Has Mapped More Galaxies Than All Previous 3D Surveys Combined

Association of Universities for Research in Astronomy (AURA) — Mon, 24 Jan 2022 17:43:15 +0000

DOE Dark Energy Spectroscopic Instrument passes 7.5 million measured galaxy redshifts. The Dark Energy Spectroscopic Instrument (DESI) has cataloged more galaxies than all other previous...

Seeing Dark Energy’s True Colors: DESI Creates Largest 3D Map of the Cosmos

Lawrence Berkeley National Laboratory — Sat, 15 Jan 2022 10:32:43 +0000

The Dark Energy Spectroscopic Instrument (DESI) has capped off the first seven months of its survey run by smashing through all previous records for three-dimensional...

The Uneven Universe: Cosmic Expansion and Einstein’s Theory of General Relativity

University of Münster — Mon, 13 Dec 2021 00:08:04 +0000

Researchers study cosmic expansion using methods from many-body physics. It is almost always assumed in cosmological calculations that there is an even distribution of matter...

A New Era of Cosmological Discovery: NASA’s Roman Space Telescope To Unravel the Secrets of Dark Energy and Dark Matter

Ashley Balzer, NASA’s Goddard Space Flight Center — Sat, 13 Nov 2021 16:13:45 +0000

A team of scientists has forecast the scientific impact of the Nancy Grace Roman Space Telescope’s High Latitude Wide Area Survey on critical questions in...

A Particle Physics Experiment May Have Directly Observed Dark Energy

Matt Williams, Universe Today — Fri, 29 Oct 2021 16:08:47 +0000

About 25 years ago, astrophysicists noticed something very interesting about the Universe. The fact that it was in a state of expansion had been known...

XENON1T Experiment May Have Detected Dark Energy

University of Cambridge — Thu, 16 Sep 2021 03:43:40 +0000

Dark energy, the mysterious force that causes the universe to accelerate, may have been responsible for unexpected results from the XENON1T experiment, deep below Italy’s...

Finding “Missing” Matter: New Light on Baryonic Matter and Gravity on Cosmic Scales

Instituto de Astrofísica de Canarias (IAC) — Wed, 23 Jun 2021 05:01:10 +0000

Scientists estimate that dark matter and dark energy together are some 95% of the gravitational material in the universe while the remaining 5% is baryonic...

Exploring 7 Billion Light Years of Space With the Dark Energy Survey – Most Precise Look at the Universe’s Evolution

Association of Universities for Research in Astronomy (AURA) — Fri, 28 May 2021 17:08:00 +0000

Dark Energy Survey Releases Most Precise Look at the Universe’s Evolution First three years of survey data uses observations of 226 million galaxies over ⅛...

DESI Aims to Create a 3D Map of the Universe and Unravel the Mysterious Nature of Dark Energy

SLAC National Accelerator Laboratory — Tue, 25 May 2021 12:39:56 +0000

Successful Start of Dark Energy Spectroscopic Instrument (DESI) Follows Record-Setting Trial Run A five-year quest to map the universe and unravel the mysteries of dark...