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Quantum fuzzy spacetime may reshape gravity theory
Berlin, Germany (SPX) Dec 08, 2025 A team at TU Wien has developed a new way to connect quantum theory with general relativity by quantizing the spacetime metric and analyzing how this affects the paths that particles follow under gravity. Their work focuses on geodesics, the curves that represent the shortest connection between two points in curved spacetime and that underlie most applications of Einstein's theory, such as the orbit of Earth around the Sun. The researchers highlight that many candidate theories of quantum gravity ... read more |
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Gravitational wave detectors complete two year campaign with record signal countBerlin, Germany (SPX) Nov 19, 2025 The LIGO, Virgo, and KAGRA collaborations have finished their fourth observation campaign, known as O4, marking the longest and most comprehensive period of coordinated gravitational wave monitoring ... more 
Listening for gravitational wave beats in pulsar timing dataParis, France (SPX) Oct 16, 2025 The rhythmic ticking of pulsars - neutron stars that beam radio pulses with atomic precision - could soon reveal subtle "beats" from gravitational waves passing through the galaxy. A new theoretical ... more 
New tabletop detector to capture gravitational waves in the milli-Hz rangeLondon, UK (SPX) Oct 06, 2025 Scientists have proposed a groundbreaking method to detect gravitational waves in the milli-Hertz frequency range, unlocking a new observational window into the universe. This advance could allow re ... more 
Worlds most powerful centrifuge begins operations in ChinaTokyo, Japan (SPX) Sep 30, 2025 China has launched CHIEF1300, the worlds largest and most capable centrifuge, able to generate up to 300 times Earth gravity on a 20 tonne payload. The facility is a core element of the Centrifugal ... more |
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Is gravity quantum?Boston MA (SPX) May 21, 2025 One of the most profound open questions in modern physics is: "Is gravity quantum?" The other fundamental forces - electromagnetic, weak, and strong - have all been successfully described, but ... more 
NASA Studies Uncover New Insights into Interiors of Moon and VestaLos Angeles CA (SPX) May 15, 2025 NASA researchers have made significant strides in understanding the internal structures of the Moon and the asteroid Vesta through advanced gravity mapping, offering new insights into the formation ... more
Astrophysicist searches for gravitational waves in new wayBoulder CO (SPX) May 13, 2025 University of Colorado Boulder astrophysicist Jeremy Darling is pursuing a new way of measuring the universe's gravitational wave background-the constant flow of waves that churn through the cosmos, ... more 
Unified theory of gravity may edge physics closer to ultimate breakthroughBerlin, Germany (SPX) May 06, 2025 At long last, physicists may be nearing a breakthrough that unifies gravity with electromagnetism and the strong and weak nuclear forces. For decades, the challenge has been reconciling quantum fiel ... more 
NASA prepares to launch space-based quantum gravity sensorLos Angeles CA (SPX) Apr 10, 2025 In a major step forward for quantum sensing and Earth science, NASA is preparing to fly the first quantum gravity sensor in space. Developed in partnership with academic institutions and private ind ... more |
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Deep sea neutrino study places tighter constraints on quantum gravity
Rome, Italy (SPX) Mar 24, 2025 Quantum gravity, the elusive framework that would merge general relativity with quantum mechanics, remains one of modern physics' greatest unsolved puzzles. One of the most promising candidates for shedding light on this conundrum is the neutrino-a ghost-like particle that carries no electric charge and almost never interacts with matter, passing through the Earth undisturbed. Because of their weak interaction with other matter, detecting neutrinos is exceptionally challenging. On rare occasions, ... read more 
Does the universe behave the same way everywhere? Rome, Italy (SPX) Feb 18, 2025 "The cosmological principle is like an ultimate kind of statement of humility," says James Adam, an astrophysicist at the University of the Western Cape in Cape Town, South Africa, and lead author o ... more |
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Euclid spots an extraordinary Einstein ring in NGC 6505Paris, France (SPX) Feb 12, 2025 Euclid embarked on its ambitious six-year mission to probe the mysteries of dark matter and dark energy when it launched on July 1, 2023. Before it could commence full-scale observations, scientists ... more 
ESA's Euclid spacecraft spots 'stunning' rare Einstein Ring in far off galaxyWashington DC (UPI) Feb 10, 2025 The European Space Agency on Monday said its Euclid telescope discovered its first "extremely rare" Einstein ring in a galaxy "not too far away" nearly 600 million light years from Earth. ... more 
Spinning Neutron Star Generates Immense Magnetic FieldsLondon, UK (SPX) Feb 06, 2025 An international team of scientists has successfully modeled the formation and evolution of some of the most powerful magnetic fields in the Universe. Led by researchers from Newcastle University, t ... more 
Primordial naked singularities may offer insights into quantum gravityNew Delhi (SPX) Jan 13, 2025 Two Indian physicists have introduced a novel theoretical perspective that could reshape our understanding of the universe's composition and offer potential avenues to explore quantum gravity. Profe ... more 
Seeing farther into the universe with enhanced gravitational-wave detectionLos Angeles CA (SPX) Dec 10, 2024 Researchers at Louisiana State University have unveiled a promising method to refine gravitational-wave detection through optical spring tracking. This innovation may enable scientists to observe de ... more |
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