Cosmology News - SciTechDaily

Unraveling Dark Energy and Cosmic Expansion With an 11-Ton Time Machine

Mike Peña, University of California, Santa Cruz — Sun, 14 Apr 2024 00:12:53 +0000

The Dark Energy Spectroscopic Instrument (DESI), mounted on a telescope in Arizona, has created the largest 3-D map of the cosmos, mapping over 30 million...

Dark Energy Revealed Through Largest 3D Map of the Universe Ever Made

Lauren Biron, Lawrence Berkeley National Laboratory — Tue, 09 Apr 2024 20:48:13 +0000

Researchers have used the Dark Energy Spectroscopic Instrument to make the largest 3D map of our universe and world-leading measurements of dark energy, the mysterious...

Peeling Back Layers of the Universe – Chilean Observatory Maps 75% of the Sky

Johns Hopkins University — Mon, 08 Apr 2024 22:16:24 +0000

The findings demonstrate a novel strategy to explore the physics and history of the universe. Equipped with unique capabilities to track microwave energy fluctuations, a...

Challenging Conventional Wisdom – Astronomers Discover the Dual Nature of Galaxy Groups and Clusters

Estonian Research Council — Thu, 04 Apr 2024 23:01:14 +0000

A common belief among astronomers is that galaxy groups and clusters differ mainly in the number of galaxies they contain – there are fewer galaxies...

The Iron-60 Enigma: Decoding Cosmic Explosions on Earth

Helmholtz-Zentrum Dresden-Rossendorf — Tue, 16 Jan 2024 23:25:01 +0000

Search for witnesses of near-Earth astrophysical events. When large stars or celestial bodies explode near Earth, their debris can reach our solar system. Evidence of...

Galactic Collision Captured in Stunning Detail: NASA’s Webb & Hubble Unite To Create Most Colorful View of Universe

Space Telescope Science Institute — Fri, 10 Nov 2023 09:20:24 +0000

The result: A vivid landscape of galaxies along with more than a dozen newfound, time-varying objects. When two flagship observatories unite, they reveal a wealth...

Rewriting the Past and Future of the Universe – New Research Sheds Light on the Fate of Our Cosmos

National Institutes of Natural Sciences — Wed, 18 Oct 2023 23:08:18 +0000

New research has improved the accuracy of the parameters governing the expansion of the Universe. More accurate parameters will help astronomers determine how the Universe...

“Should Not Have Happened” – Titanic Galaxy Cluster Collision Defies Cosmology Theories

University of St. Andrews — Mon, 25 Sep 2023 18:21:09 +0000

A collision of two massive clusters of galaxies when the Universe was half its current age should not have happened according to the standard theory...

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...

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...

Cosmic Paradigm Shift: New Research Doubles Universe’s Age to 26.7 Billion Years

University of Ottawa — Thu, 13 Jul 2023 20:23:41 +0000

A new study proposes that the universe may be 26.7 billion years old, challenging the widely accepted estimate of 13.7 billion years based on the...

Dark Matter Discrepancy: A Cosmic Conundrum in the Standard Cosmological Model

Kavli IPMU — Fri, 07 Jul 2023 03:05:25 +0000

An international team of scientists used advanced techniques and the Hyper Suprime-Cam to study dark matter’s “clumpiness,” finding an S8 value of 0.76, conflicting with...

Space Explosions Just Got More Interesting: Challenging Conventional Understanding of Classical Novae

National Radio Astronomy Observatory — Mon, 03 Jul 2023 17:58:52 +0000

A researcher has discovered non-thermal emissions from the classical nova V1674 Herculis, challenging the conventional understanding of these celestial objects as simple heat-induced explosions. This...

Scientists Discover First Evidence of Symmetry Violation – And It Could Explain Why You Exist

University of Florida — Tue, 27 Jun 2023 01:22:15 +0000

Parity symmetry violation detected in the orientation of galactic formations could explain the abundance of matter. For generations, physicists were confident that the laws of...

Invisible Architects: New Link Discovered Between Dark Matter and Clumpiness of the Universe

University of Toronto — Mon, 19 Jun 2023 08:32:42 +0000

Researchers propose in a new study that the universe’s lack of clumpiness suggests dark matter is composed of hypothetical, ultra-light particles called axions. If confirmed,...

Galaxy Clusters Unveil New Evidence for Prevailing Theory of Universe

SLAC National Accelerator Laboratory — Tue, 09 May 2023 19:22:20 +0000

Physicists from SLAC National Accelerator Laboratory and Stanford University have found fresh evidence supporting the Lambda-CDM model of the universe, using data derived from the...

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...

Superstring Theory and Higher Dimensions: Bridging Einstein’s Relativity and Quantum Mechanics

Kyoto University — Mon, 03 Apr 2023 20:04:46 +0000

Seeing is more than believing: Holography helps our understanding of our early universe. A team of researchers at Kyoto University is exploring the use of...

New Perspective on the Fundamental Structure of the Universe

Institute for Advanced Study — Sun, 19 Mar 2023 17:37:46 +0000

The universe is peppered with galaxies, which, on large scales, exhibit a filamentary pattern, referred to as the cosmic web. This heterogeneous distribution of cosmic...

Unraveling a Cosmic Antimatter Mystery

University of California - Riverside — Fri, 14 Oct 2022 19:33:37 +0000

Physicists invoke the cosmological collider to demonstrate why matter, not antimatter, dominates the universe. The universe was filled with equal numbers of matter and “antimatter” –...

Scientists Are One Step Closer to Discovering the Origin of the Moon

ETH Zurich — Sat, 03 Sep 2022 23:41:11 +0000

An additional clue to the Moon’s origin. The Moon has always been a topic of interest for humans. But it wasn’t until Galileo’s time that...

Powerful Data Acquisition System To Process Space Data Obtained by the Largest Digital Camera on Earth

Nathan Collins, SLAC National Accelerator Laboratory — Wed, 04 May 2022 10:53:14 +0000

The Rubin Observatory’s LSST Camera will take enormously detailed images of the night sky from atop a mountain in Chile. Down below the mountain, high-speed...

Chaotic Triple Drama: Black Hole Billiards in the Centers of Galaxies

University of Copenhagen — Wed, 09 Mar 2022 16:00:56 +0000

Researchers provide the first plausible explanation to why one of the most massive black hole pairs observed to date by gravitational waves also seemed to...