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| Previous Issues | Dec 11 | Dec 09 | Dec 08 |
 
Gravitational lens time delays refine Hubble constantTokyo, Japan (SPX) Dec 09, 2025 Astronomers are testing a new way to measure how fast the universe is expanding by using time delays in gravitationally lensed images of distant quasars, in an effort to clarify the long-standing te ... more 
New island of inversion found in proton neutron symmetric molybdenum nucleiTokyo, Japan (SPX) Dec 09, 2025 For decades, nuclear physicists have known that so called islands of inversion mark regions of the nuclear chart where standard shell structure breaks down and magic numbers vanish in favor of stron ... more  
RISTRETTO spectrograph cleared for Proxima b atmospheric huntGeneva, Switzerland (SPX) Dec 09, 2025 The RISTRETTO project at the University of Geneva has reached a key stage, with several core elements of its high-precision spectrograph now prototyped and tested for observations of the nearby exop ... more  
Record gamma ray burst traced to dusty massive host galaxyLos Angeles CA (SPX) Dec 09, 2025 Gamma ray bursts rank among the most energetic explosions known, usually flashing and fading within seconds or minutes, but on 2 July 2025 astronomers detected GRB 250702B, a source that produced re ... more |
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Shaping quantum light expands options for future technologiesBerlin, Germany (SPX) Dec 12, 2025 Researchers from the School of Physics at the University of the Witwatersrand, working with collaborators at the Universitat Autonoma de Barcelona, report that controlling the structure of photons i ... more 
Roman space telescope passes key construction milestone ahead of launch windowLos Angeles CA (SPX) Dec 12, 2025 NASA has completed assembly of the Nancy Grace Roman Space Telescope, joining the inner and outer sections of the observatory in the largest clean room at the agency's Goddard Space Flight Center in ... more 
Milky Way chemical map shows diverse paths to galactic evolutionLondon, UK (SPX) Dec 12, 2025 A new analysis of simulated Milky Way analogues links the galaxy's unusual chemical patterns to how its disc formed and evolved over time. The work examines why stars near the Sun split into two dis ... more 
ESO signs MOSAIC deal for Extremely Large Telescope spectrographPotsdam, Germany (SPX) Dec 12, 2025 The European Southern Observatory ESO has signed an agreement with a large international consortium for the design and construction of the Multi-Object Spectrograph MOSAIC, an instrument for the Ext ... more |
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UChicago survey expands weak lensing test of the dark universeChicago IL (SPX) Dec 12, 2025 Astrophysicists at the University of Chicago have used data from the Dark Energy Camera (DECam) to extend weak gravitational lensing measurements to a new region of the sky, testing how well the sta ... more |
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Astronomers tighten expansion rate gap in universe measurementsLos Angeles CA (SPX) Dec 05, 2025 A team of astronomers using several ground and space-based observatories, including the W. M. Keck Observatory on Maunakea, has produced one of the most precise independent measurements yet of the u ... more 
Methane hint on TRAPPIST 1e seen as likely stellar noise not proof of an atmosphereLos Angeles CA (SPX) Dec 05, 2025 Two recent papers based on James Webb Space Telescope observations describe initial attempts to probe the atmosphere of TRAPPIST-1e, an Earth-sized planet orbiting in the habitable zone of the nearb ... more 
Subaru OASIS survey uncovers massive planet and brown dwarfTokyo, Japan (SPX) Dec 05, 2025 Astronomers using the Subaru Telescope in Hawaii have identified a massive planet and a brown dwarf orbiting distant stars, marking the first discoveries from the Observing Accelerators with SCExAO ... more 
Supernova mixing traced as source of key life elementsTokyo, Japan (SPX) Dec 05, 2025 Kyoto University and Meiji University researchers have used the XRISM X-ray satellite to quantify chlorine and potassium in the Cassiopeia A supernova remnant, addressing a longstanding gap in how t ... more |
TRAPPIST 1 flares mapped to probe planetary habitabilityBoulder CO (SPX) Dec 05, 2025 TRAPPIST-1, a small star about 40 light-years from Earth in the constellation Aquarius, produces flares roughly six times per day, and this activity complicates efforts to evaluate whether its plane ... more  |
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Gravitational wave signals reveal dark matter around black holesBerlin, Germany (SPX) Dec 05, 2025 A research team at the University of Amsterdam has developed a new general-relativistic model that shows how gravitational waves from black holes can be used to reveal dark matter and constrain its ... more 
New mass measurements refine X ray burst reaction flowTokyo, Japan (SPX) Dec 05, 2025 A team at the Institute of Modern Physics of the Chinese Academy of Sciences has directly measured the masses of the short lived nuclei phosphorus-26 and sulfur-27, providing data needed to determin ... more 
The bacteria that wont wake up found in spacecraft cleanroomsLos Angeles CA (SPX) Dec 09, 2025 Researchers have characterized a bacterium from spacecraft assembly cleanrooms that can enter an extreme dormant state, allowing it to persist where contamination controls are designed to remove nea ... more 
Vast spinning galaxy filament mapped in nearby UniverseBerlin, Germany (SPX) Dec 08, 2025 An international collaboration led by the University of Oxford has identified one of the largest rotating structures observed so far, a thin string of hydrogen-rich galaxies embedded in a spinning c ... more |
KATRIN experiment rules out favored light sterile neutrino regionBerlin, Germany (SPX) Dec 08, 2025 Neutrinos are among the most abundant matter particles in the Universe, yet they interact so weakly that they are difficult to detect and study. The Standard Model includes three neutrino types, but ... more 
NASA backs WHOI effort to read organic signals from ocean worldsLos Angeles CA (SPX) Dec 08, 2025 Ocean worlds such as Jupiter's icy moon Europa and Saturn's moon Enceladus are emerging as prime locations to search for life beyond Earth, potentially including a second, independent origin of life ... more 
Solar ghost particles seen flipping carbon atoms in underground detectorBerlin, Germany (SPX) Dec 11, 2025 Scientists have recorded solar neutrinos changing carbon-13 into nitrogen-13 inside the SNO+ detector in Canada, marking the first observation of this specific interaction between neutrinos and carb ... more 
Two dimensional crystal reveals hexatic phase in real timeVienna, Austria (SPX) Dec 05, 2025 When three dimensional materials melt, the transition from an ordered solid to a disordered liquid usually occurs abruptly once the melting temperature is reached. In atomically thin systems, theory ... more |
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CERN upbeat as China halts particle accelerator mega-projectMeyrin, Switzerland (AFP) Dec 9, 2025 The chief of the CERN physics laboratory says China's decision to pause its major particle accelerator project presents an "opportunity" to ensure Europe's rival plan goes ahead. ... more  
Quantum fuzzy spacetime may reshape gravity theoryBerlin, 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 gr ... more 
Cosmic rays drive urgent search for better protection before crewed trips to MarsNorwich, UK (SPX) Dec 03, 2025 The first step on the Moon was one of humanity's most exciting accomplishments. Now scientists are planning return trips - and dreaming of Mars beyond. Next year, Nasa's Artemis II mission wil ... more 
JWST spots early Milky Way style spiral galaxy AlaknandaLos Angeles CA (SPX) Dec 05, 2025 Astronomers using NASAs James Webb Space Telescope have identified a massive spiral galaxy that resembles the Milky Way but existed when the Universe was only about 1.5 billion years old. Named Alak ... more |
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SPHERE debris disk survey maps hidden asteroid and comet belts in young planetary systemsBerlin, Germany (SPX) Dec 05, 2025 Observations with the SPHERE instrument on ESO's Very Large Telescope have produced a large gallery of debris disks around nearby young stars, revealing where unseen asteroid- and comet-scale bodies ... more |
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SwRI opens NOUR lab to track chemical pathways from nebulae to planetary systemsLos Angeles CA (SPX) Dec 03, 2025 Southwest Research Institute (SwRI) has established the Nebular Origins of the Universe Research (NOUR) Laboratory to investigate how the chemistry of interstellar material leads to the formation of ... more 
Hot dust near a nearby star systemTucson AZ (SPX) Dec 03, 2025 Seventy light-years from Earth, astronomers studying the star Kappa Tucanae A have identified dust heated to more than 1,000 degrees Fahrenheit orbiting very close to the star, where such material s ... more 
Gels may have given early Earth chemistry a place to organize into lifeBerlin, Germany (SPX) Dec 03, 2025 An international team from Japan, Malaysia, the UK, and Germany has proposed that life on Earth may have emerged within sticky, surface-bound gels that formed before the first cells. The researchers ... more 
Helium escape mapped from superpuff exoplanet WASP 107b by JWSTBerlin, Germany (SPX) Dec 03, 2025 An international team including astronomers from the University of Geneva and the National Centre of Competence in Research PlanetS has used the James Webb Space Telescope to study helium escaping f ... more |
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