Researchers used advanced simulations to investigate how the first stars and galaxies formed, connecting observations of young galaxies with chemical clues preserved in ancient stars. The study suggests that simplified models may underestimate the influence of stellar radiation and complex chemical processes on gas surrounding galaxies.
Researchers at the Canadian Hydrogen Intensity Mapping Experiment (CHIME) have successfully mapped the earliest glow of hydrogen gas from deep in the universe's past using only its own data. This breakthrough enables a faster, less expensive method for studying dark energy, a mysterious force driving the universe's expansion.
A new study suggests that neutrino flavor conversion plays a significant role in determining the fate of dying massive stars. The research found that neutrino behavior can alter the outcome of stars, particularly for those with masses between 16 and 30 solar masses, potentially explaining the supernova rate problem.
ETH Zurich researchers analyzed asteroid Bennu's samples, revealing a Jupiter-led scenario and insights into the Solar System's early formation. The findings suggest that Bennu and other asteroids formed in a specific zone where material from the inner and outer regions mixed, with Jupiter playing a key role in this process.
The Blavatnik Foundation recognizes 9 young scientists for their exceptional research, advancing discoveries in life sciences, physical sciences & engineering. The 2026 honorees are advancing discoveries in areas such as autoimmune disease, cancer, and quantum technologies.
Researchers from HKU and BNU used wave simulations to test the effects of ultralight dark matter on gravitationally lensed images. The simulations reproduced observed image positions more closely than common models, suggesting gravitationally lensed systems could be used to test ultralight-dark-matter models.
Researchers have discovered a retrograde planet orbiting a small star, a rare occurrence that raises new questions about planetary formation and evolution. The GJ 3090 b planet's unusual orbit may be the result of its host star acquiring a second disk of gas and dust, which could have shaped its planetary system billions of years ago.
Scientists have discovered that Jupiter employs a surprisingly complex system to counteract the solar wind's impact, using multiple frequencies of plasma waves to heat and slow down particles. This finding may help explain how powerful shocks function in other powerful energy releases, such as those from dying stars.
Finalists in the 2026 Blavatnik National Awards for Young Scientists have been recognized for their groundbreaking research in Life Sciences, Chemical Sciences, and Physical Sciences & Engineering. The 18 Finalists will compete for three $250,000 Laureate prizes, with the remaining 15 receiving $15,000. The Awards aim to support innova...
Astronomers have confirmed that Sakurai's Object, a 'born-again' star, has entered a new phase of its evolution, developing a powerful stellar wind characteristic of Wolf-Rayet stars. The research provides new insight into the final stages of stellar evolution, allowing scientists to test theories that would otherwise take thousands of...
Researchers from Trinity College Dublin developed a powerful method to track weather patterns on distant worlds, revealing two dominant processes shaping atmospheric changes. The study used PCA to analyze data from NASA's JWST, identifying minute changes in brightness as the object rotated.
Researchers use helium signals to determine the universe's primordial helium abundance, confirming decades of scientific understanding. The study strengthens theories about the early universe and its elements, including carbon and nitrogen.
A research team at Osaka Metropolitan University mapped molecular gas throughout Stephan's Quintet, a nearby group of interacting galaxies. They found that regions with turbulent gas formed stars less efficiently, even with abundant gas present. Turbulence prevents gas from settling and collapsing, creating fewer opportunities for star...
ISTA researchers have secured 5 ERC Starting Grants to fund innovative projects in AI, astrophysics, and optics. The grants will support early-career researchers in understanding bacterial immune systems and developing new microscope techniques to study elusive quantum matter.
Researchers used computational modeling to simulate how electrons interact with manganese ions, predicting emission lines that could be useful for analyzing rapidly expanding objects like supernova remnants. The findings suggest that these emission lines could provide insight into the chemical evolution of galaxies, stars, and the univ...
Researchers have provided the first experimental evidence that strong magnetic fields surrounding active stars can completely suppress coronal mass ejections. This discovery helps explain why CMEs are rarely observed on stars other than the Sun.
A research team has produced the first experimental verification of a theoretically predicted flow state in the interiors of rapidly rotating celestial bodies. The experiment replicated the physical processes that occur in stars and planets, providing a robust experimental basis for testing theoretical models.
Researchers studied 72 young Sun-like stars and their protoplanetary disks, finding that different types of winds are more important at different stages in a planetary system's early life. The study shows that gas giants like Jupiter must assemble their massive atmospheres quickly before winds carry that raw material away.
A new study suggests that a magnetic field existed in the infant solar system, possibly playing a role in shaping the sun and early planets. The discovery was made in ancient meteorite dust, which preserved records of the magnetic field's strength and intensity.
Researchers at Syracuse University found that stellar spin can explain the fading of black hole flares in repeating partial tidal disruption events. The study suggests that stars with rapid initial spin may produce flares that decline in brightness over time. This new understanding provides insight into the complex interactions between...
Astronomers have discovered a new population of faint, rapidly fading remnant radio galaxies, revealing a shorter, more dynamic afterlife of black hole jets. The study found that these remnants are relatively young, with ages ranging from 8-42 million years, and span a wide range of evolutionary stages.
A team of astronomers has discovered an extremely bright and red spot in the early universe, which they believe is a mashup of a black hole and a star. The object, dubbed a 'black hole star,' would help solve the mystery of other mysterious 'little red dots' found in deep-space images.
Researchers have discovered a globular cluster stellar stream in another galaxy, offering new insights into the nature of dark matter. The study demonstrates that these streams can be used to measure dark matter content beyond our own galaxy, opening doors to a broader understanding of its behavior.
Astronomers have discovered the earliest known 'black hole star,' which may explain how billion-solar-mass black holes formed in the early Universe. The object, dubbed MoM-BH*-1, exhibits properties normally associated with stars, resolving a long-standing challenge in understanding mysterious 'little red dots'.
Researchers from the University of Missouri discovered that the ratio of large and small stars in distant galaxies depends on their environment, potentially altering how scientists estimate galaxy mass and age. This breakthrough could lead to more accurate estimates and a better understanding of the universe's history.
Astronomers have discovered water molecules in the envelope of star IRS 3, located near the supermassive black hole Sgr A*. The star's enormous envelope, fueled by rapid mass loss, has allowed water to thrive in its vicinity. This finding suggests that Sgr A* is being enriched with fundamental building blocks of life.
A team of scientists has analyzed the activity of blazar PKS 2155-304 over a long period, finding no correlation between events in different radiation ranges. The data also failed to show the expected relationship between X-ray flares and higher-energy photon observations.
The SDSS-V survey has released its twentieth public data release (DR20), providing a massive catalog of high-quality spectra of stars across the Milky Way. The dataset includes over two million total spectra, revealing temperatures, ages, and chemical compositions of stars.
Astronomers observed a rare cosmic event where a massive star's shock breakout was detected without a typical gamma-ray burst. The star's characteristics matched other supernovae that produced gamma-ray bursts, but no jet was found.
Researchers from Kyushu University found that low-density gas contributes to hub growth through direct inflow and by replenishing nearby dense filaments, substantially underestimating the material available for massive star formation. The study's combined analysis of dense and diffuse gas increased estimated material flowing onto hubs ...
Researchers used the NSF Inouye Solar Telescope to capture high-resolution images of swirling vortices in the sun's photosphere, which are believed to be the 'engine' driving twisting magnetic field lines. This discovery could fundamentally change our understanding of solar dynamics and evolution.
Researchers reveal that spacecraft observations can conceal the true movement of particles in near-Earth space, challenging traditional assumptions about radiation belt dynamics. The study highlights a fundamental challenge for space scientists: different physical processes can produce similar observational evidence.
Researchers at Kyoto University used the Earth's magnetic field to search for axions and dark photons, two leading candidates for dark matter. The team set new limits on axion mass, rivaling previous constraints from astrophysical observations, and detected potential signals from dark photons.
NC State is leading three Genesis Mission projects using AI to accelerate discovery in high-performance computing, cybersecurity, and astrophysics. The projects focus on developing AI-powered tools for scientific research, defending agentic AI against adversarial attacks, and embedding AI techniques in large-scale simulations of neutro...
The study provides the largest, most uniform spectroscopic follow-up of X-ray sources ever assembled, capturing tens of thousands of X-ray-emitting galaxy clusters. It reveals that rapidly growing giant black holes were surprisingly common in the early Universe and more 'hidden' black holes have been uncovered.
The Sloan Digital Sky Survey has released its 20th data set, featuring over three million spectra of stars and galaxies, as well as 18 new value-added catalogs. This release marks a significant expansion of the survey's efforts, integrating full all-sky panoptic spectroscopy across both hemispheres.
Researchers developed a method to detect water ice on the moon using seismic waves, which can travel faster through frozen soil. This discovery is critical for NASA's Artemis program, which aims to send crewed landings to the moon's south polar region in 2028.
The Netherlands has joined the Cherenkov Telescope Array Observatory (CTAO) as an Observer, reinforcing its long-standing partnership with the observatory. With observer status, the Dutch delegation will participate in key activities and contribute to the development of the CTAO's critical construction phase.
Two university-led projects receive $2.96 million to develop next-generation instruments for mid-sized ground-based optical and near-infrared telescopes. The grants aim to improve sensitivity and expand access to key wavelengths, enabling observations of extremely faint astronomical objects.
Researchers used machine learning to identify seven rare quasar candidates from a list of 800,000 quasars. The discovery offers an opportunity to expand knowledge of how quasars and their host galaxies work, as well as understanding our own galaxy's evolution.
Researchers at Facility for Rare Isotope Beams identified magnetic transitions within the nucleus of zinc-70 as the cause of an unexpected excess of low-energy gamma rays. This discovery sheds light on a long-standing puzzle in nuclear physics and has implications for astrophysics, including the formation of heavy elements.
Researchers reveal that missing ordinary matter exists in diffuse clouds surrounding galaxy groups, extending beyond predicted distances. The findings suggest stronger and more violent star activity and black hole jets, pushing matter to larger scales.
Scientists at UC Riverside developed a new method to help LIGO detect weaker gravitational-wave events by measuring heat-induced distortions in mirrors. The technique combines thermal imaging with existing wavefront measurements and computer models, enabling the observatory to improve its sensitivity and detect more distant events.
A team of researchers has identified an accelerator of extremely high-energy cosmic-ray protons, called a proton PeVatron, in the Milky Way galaxy. The discovery was made possible by combining data from multiple experiments, including Tibet AS gamma, LHAASO, Fermi-LAT, and Chandra X-ray Observatory.
Researchers at Uppsala University recalculated the Sun's silver content using a new model that predicts 55% more silver than previous estimates. This resolves a long-standing problem of missing silver in the solar system and improves our understanding of how elements are produced in stars and incorporated into planets.
Researchers analyze the 'ringdown' phase of black hole collisions to test Einstein's theory of General Relativity and uncover secrets about these mysterious objects. Future observatories may reveal fresh evidence for new physics and challenge current models.
A team of researchers from Kyushu University and Max Planck Institute for Extraterrestrial Physics have detected ambipolar diffusion in a prestellar core, weakening magnetic support and leading to gravitational collapse. This finding provides insight into early star formation and the creation of stellar systems like our own.
Researchers have discovered stellar cocoons rich in complex organic molecules within a supernova remnant, indicating that newborn stars can remain protected and preserve their molecular composition. The study suggests that the environment of our Solar System's formation may be more diverse than previously recognized.
Researchers at Penn State simplify black hole mergers by applying thermodynamic principles, achieving accurate predictions of the final remnant's mass and spin. The maximum entropy conjecture shows that the merging black holes' energy and angular momentum map onto those of a sequence of hypothetical remnants, reaching a maximum entropy...
A team of scientists has discovered 31 of the most ancient quasars ever found, including two that radiated light from a trillion suns when the universe was just 670 million years old. These findings provide crucial clues for understanding how supermassive black holes formed and offer insights into the early universe's structure.
Researchers at Penn State have developed a new measure for entropy that is more closely tied to the black hole's physical properties of spin and energy. This allows them to extend the first and second laws of thermodynamics to dynamic black holes, enabling better understanding of their processes.
Researchers have theoretically modelled Hawking radiation generation in a non-linear optical environment, identifying a simple direct mechanism. Experiments showed the radiation affects the system, opening up new ways to calculate effects and potentially shedding light on quantum gravity.
Astronomers have discovered a galaxy cluster in the distant universe that is more mature than expected, with unprecedented mass concentration toward its center. The James Webb Space Telescope images reveal strong gravitational lensing effects, providing valuable insights into dark matter distribution and cosmological models.
Astronomers have detected the [O I] 145 µm emission line in four typical star-forming galaxies, which serves as a clear tracer of neutral gas. This detection provides unprecedented detail on the physical and chemical conditions of star-forming material in these distant galaxies.
Gravastars may form when a star collapses under its own mass, triggering the creation of a mini universe with dark energy. This equilibrium stabilizes the object, preventing it from becoming a black hole.
New study by University of Southampton confirms the universe's expansion is still accelerating as previously found, debunking 2025 claims that the cosmos was slowing. The team re-evaluated data using Type Ia supernovae to calculate vast cosmic distances and found no error in their methods.
The Kavli Prize in Astrophysics 2026 is awarded to Vasily Belokurov, Amina Helmi, and Rodrigo Ibata for their discovery of past mergers that prove the Milky Way galaxy was built through hierarchical accretion. This breakthrough reveals how our universe is formed and challenges assumptions on galaxy formation.
The discovery reveals a surprisingly mature black hole at just 850 million years old, with an accretion disk resembling a flat pancake. This challenges the understanding of how supermassive black holes can grow and mature in a short amount of cosmic time.
Researchers used deep learning to model energy release during r-process nucleosynthesis in hydrodynamic simulations, gaining new insights into element formation. The results suggest that r-process heating is an important effect that should be better accounted for in future modeling.
A physicist at Mississippi State University has received a prestigious CAREER Award to study stellar explosions and their role in forming elements. The five-year project aims to improve computer models of supernovae and neutron stars, shedding light on the universe's elemental composition.