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A faint glow from the early universe could help solve the mystery of dark energy
New astronomical detections of ancient hydrogen signals are opening unprecedented windows into cosmic history.
Cosmology
53 trends tracked about this subject — the full history, oldest to newest below.
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'If I'm wrong, I can retire': Why some physicists are now betting big that dark energy doesn't exist
Some physicists are betting their careers on the bold hypothesis that dark energy might not actually exist.
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Nobel Prize in Physics Is Awarded for the Advent of Neutrino Astronomy
Recent coverage highlights the Physics Nobel Prize and Antarctica's crucial role in neutrino astronomy.
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Quantum interactions may have locked early universe's fields into existing energy states
A new 'Cosmic Lockdown' theory suggests quantum interactions may have stabilized the early universe's fields, preventing a catastrophic decay of reality.
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Tiny ancient black holes may live in a five-dimensional world
Coverage explores theories that tiny ancient black holes might inhabit a hidden fifth dimension.
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Scientists find a surprising clue to why the universe’s expansion doesn’t add up
5 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Hydrogen's distant glow opens new way to investigate dark energy
The CHIME telescope has detected an ancient hydrogen signal, providing a potential new method for scientists to investigate the mystery of dark energy.
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JWST finds early galaxies were already seeding the universe with heavy elements
JWST discoveries reveal early galaxies enriched and dispersed heavy elements just 500 million years after the Big Bang.
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Biggest Supernova Dataset Yet Challenges Dark Energy Theory
A massive new supernova dataset challenges foundational theories of cosmic expansion and dark energy.
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Scientists Say the Universe Isn’t Slowing Down After All
2 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Date the world will be destroyed and universe ends calculated by scientists
Scientific calculations have emerged regarding the specific timeline and mechanisms for the ultimate destruction of the world and the universe.
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A photon that challenges Einstein: According to current physics, it should never have reached Earth
A lone photon that traveled two billion years appears to have defied Einstein’s limits, sparking a physics debate.
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Scientists study 3,000 supernovas and discover that dark energy may be evolving
A comprehensive new dataset of nearly 3,000 exploding stars challenges decades of established cosmological theory.
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Astronomers looked back in time and found a monster 5,000 times bigger than our Galaxy. And it's packed full of dark matter
Astronomers discover a colossal, dark matter-packed proto-supercluster existing when the universe was only 2.1 billion years old.
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Strange 'fast radio bursts' across the universe could help solve major cosmic mysteries: 'It's only the beginning'
Astronomers are utilizing fast radio bursts as cosmic backlights to map missing ordinary matter and investigate the mysteries of dark matter.
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Dark energy debunked? Cosmic acceleration may be an illusion
New data from 3,000 supernovas suggests the universe's expansion may not be accelerating, potentially debunking the long-held theory of dark energy.
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The DESI legacy imaging survey releases the largest 2D map of the universe
The DESI legacy imaging survey has released the largest 2D map of the universe, offering an unprecedented scale of cosmic visualization.
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Big supernova dataset challenges dark energy theory
A massive new catalog of 2,884 supernovae is challenging the established theory of dark energy and the nature of cosmic acceleration.
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Astronomers Have Completed the Largest Map of Space. Yes, You Can Play With It.
Astronomers have released the largest 2D map of the universe, allowing the public to explore 4 billion cosmic objects through a web browser.
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Breakthrough Quantum Test Resolves a Major Cosmic Mystery
A new quantum test has reportedly resolved a major cosmic mystery, according to recent reporting from 404 Media.
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Scientists detect signals of hydrogen from billions of years ago. Could this help us map out the universe?
Astronomers using the MeerKAT radio telescope have detected a faint, ancient hydrogen signal from billions of years ago.
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'A giant leap forward': Nasa launches powerful new space telescope
NASA’s newest space telescope, named for a pioneering woman once denied a scientific career, lifts off to chart the universe.
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Astronomers hear a mysterious ‘hum’ across the universe; one explanation begins with strange dark stars 1
Astronomers are investigating a mysterious cosmic hum that may have been produced by hypothetical dark stars from 13 billion years ago.
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The universe is full of strange ‘little red dots’. A new study shines light on their real nature
10 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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This Suitcase-Sized Spacecraft Could Detect a Signal From Before Stars Existed
3 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Hidden Stars Reveal the True Size of Ancient Galaxies in the Distant Universe, and It Isn't What We Expected
New scientific findings suggest ancient galaxies in the distant universe may be significantly more massive than previous estimates indicated.
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The death of dark energy is a false alarm
4 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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‘One in a billion’ discovery of a hybrid black-hole star reveals new details on origins of the universe
The discovery of a rare hybrid black-hole star provides new insights into the early universe and solves a long-standing astronomical mystery.
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DESI releases biggest 2D map of the universe
15 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Could a hidden fifth dimension finally explain the mystery of dark matter?
5 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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The James Webb Telescope Is Changing Astronomers’ Understanding of the Ancient Cosmos
The James Webb Space Telescope provides new data reshaping scientific understanding of the ancient cosmos and cosmic mysteries.
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The Universe Was Sculpted in Invisible Matter
5 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Mathematician Offers New Solution to a Fundamental Cosmic Paradox
A new mathematical theory proposes a solution to a fundamental cosmic paradox by linking gravity and entropy to explain the emergence of cosmic order.
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How Fast Is the Universe Really Expanding?
New scientific discussions are challenging the existence of dark energy and examining how the universe expands faster than the speed of light.
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Does dark energy really exist? Our work identifies cracks in the foundations of today’s cosmological model
New cosmological research into dark energy and galaxy surveys is challenging the foundational models of the universe and Albert Einstein's theories.
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Galaxy cluster's magnetic field reconstructed for 1st time with record-breaking astronomy map
Astronomers have achieved a historic milestone by reconstructing the magnetic field of a galaxy cluster for the first time using a record-breaking map.
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Milky Way flipped in collision with dwarf galaxy 10bn years ago, astronomers say
Astronomers reveal that the Milky Way may have flipped by more than 90 degrees following a massive collision with a dwarf galaxy 10 billion years ago.
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Mysterious 'little red dots' at the beginning time may finally have an explanation, thanks to newfound 'little blue companions'
Astronomers have proposed a new theory linking mysterious 'little red dots' in the early universe to 'little blue companions' and globular clusters.
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Astronomers uncover the earliest known signs of galaxy-building in action
Astronomers have identified the earliest known evidence of organized galaxy-building, challenging previous beliefs about early cosmic chaos.
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The James Webb Space Telescope found tiny “little red dots” that looked like impossibly compact galaxies — but astronomers now suspect many may be “black hole stars,” young black holes wrapped in gas so dense that the material falling into them produces
The James Webb Space Telescope has detected 'little red dots' that may be 'black hole stars' rather than compact galaxies.
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Hidden fifth dimension could tune dark matter resonance, new theory proposes
A new theoretical model suggests dark matter may be hiding in a hidden fifth dimension, potentially solving long-standing cosmic mysteries.
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Dark energy flips its sign, but the Hubble tension refuses to budge
New astronomical data suggests dark energy may not be constant, though the persistent Hubble tension continues to challenge cosmic expansion models.
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What if the Universe Isn’t as Uniform as Scientists Think?
New observations challenge the foundational cosmological principle that the universe is uniform across space.
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The unsettling possibility raised by quantum gravity is that time may not be a basic ingredient of reality. It may be something that emerges only inside the universe, from entanglement, entropy, and relationships between physical systems
Recent theoretical developments in quantum gravity suggest that time may not be a fundamental component of reality.
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There May Be Bizarre Forms of Consciousness Drifting Through the Universe, Mind-Bending Paper Claims
A provocative new scientific paper suggests the universe may harbor forms of consciousness far stranger and more diverse than human experience.
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Astronomers used to assume galaxies formed first and slowly grew the black holes at their centres. But JWST is now finding objects in the early universe where the black hole appears to have arrived first
The James Webb Space Telescope has identified early-universe objects that challenge existing theories on galaxy and black hole formation.
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The universe should look the same in all directions at large scales, but DESI data suggest otherwise
New DESI findings reveal gigaparsec‑scale cosmic structures that challenge the universe’s assumed isotropy.
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The Universe Might Be Teeming with Strange Forms of Consciousness
New theoretical frameworks suggest the universe may contain diverse and alien forms of consciousness, potentially including artificial intelligence.
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A Dark Dimension Could Link Two of the Universe’s Great Unknowns
Scientists are investigating a 'magic line' and a dark dimension that may link the universe's greatest mysteries and rewrite cosmic history.
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Dark energy is still accelerating the expansion of the universe, and astronomers are relieved. 'Thankfully, we have averted this crisis'
8 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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Cosmic acceleration holds up as new analysis rebuts slowdown claim
Recent astronomical analysis rebuts a prior slowdown claim, confirming the universe's expansion remains fully in acceleration mode.
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Astronomers Push Back on a Challenge to How the Universe Will End
Astronomers have reaffirmed the theory of an accelerating universe, refuting recent mathematical challenges to the existence of dark energy.
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Scientists Discover Fearsome Wind That Destroys Entire Galaxies
Astronomers capture a cosmic phenomenon that may explain why some galaxies vanish prematurely