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| Previous Issues | Dec 15 | Dec 12 | Dec 11 | Dec 10 | Dec 09 |
 
Gemini North tracks changing glow of interstellar Comet 3IATLASTucson AZ (SPX) Dec 16, 2025 Gemini North has obtained new color images of Comet 3I/ATLAS after the interstellar object emerged from behind the Sun on its outbound trajectory from the Solar System. Using the Gemini Multi-Object ... more 
Roman infrared survey to chart hidden structure of Milky WayGreenbelt MD (SPX) Dec 12, 2025 NASA's Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy, the Milky Way, in unprecedented detail. In one month of observations sp ... 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  
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 |
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Clues to the migration path of hot Jupiters in their orbitsTokyo, Japan (SPX) Dec 16, 2025 The first exoplanet discovered in 1995 was a hot Jupiter, a Jupiter mass planet orbiting its star every few days. Today, models indicate that hot Jupiters form far from their stars, similar to Jupit ... more 
Hidden circumbinary giant planet emerges from decade old Gemini dataBerlin, Germany (SPX) Dec 14, 2025 Astronomers have directly imaged a giant exoplanet orbiting a pair of stars, in a configuration reminiscent of the fictional Tatooine system but with the closest-known directly imaged planet to its ... more 
Quasar X ray link to black hole environment found to evolve over cosmic timeLondon, UK (SPX) Dec 14, 2025 Astronomers using new X ray data have found evidence that the structure of matter around supermassive black holes has changed over billions of years, challenging a quasar relationship that has been ... more 
Ultra hot super Earth shows dense atmosphere over magma oceanLos Angeles CA (SPX) Dec 14, 2025 A Carnegie-led team using NASAs James Webb Space Telescope has obtained the strongest evidence so far for an atmosphere around a rocky exoplanet, detecting a substantial gaseous envelope around the ... more |
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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 |
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Star wobble reveals black hole dragging spacetimeBerlin, Germany (SPX) Dec 11, 2025 Astronomers have reported the first clear observation of a swirling distortion in spacetime produced by a rapidly spinning black hole, seen through the motion of material left over from a disrupted ... 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 
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 
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 |
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  |
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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 
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 |
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 
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  
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 
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 |
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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 
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 
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 |
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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 |
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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 
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 |
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