Researchers have made the first direct observation of light from behind a black hole, confirming a key prediction by Einstein's theory of general relativity. The discovery was made using X-rays emitted by a supermassive black hole at a galaxy 800 million light-years away.
Cosmic rays play a critical role in the final stages of supernovae explosions, allowing for a bigger impact on surrounding interstellar gas. The study suggests that these particles can give an extra push to the gas, increasing momentum by up to 4-6 times.
Researchers at Kyoto University have discovered a way to enhance radiation therapy using iodine nanoparticles, which trigger cancer cell death when exposed to X-rays. The study reveals that the optimal energy level for X-ray irradiation is 33.2 keV, causing double-strand breaks in DNA and leading to programmed cell death.
Research in Maldives reveals diverse associations between manta rays and 'hitchhiker' fish. New species of symbionts were discovered, expanding our understanding of these unique relationships.
Researchers have solved a decades-old mystery as to how Jupiter produces spectacular bursts of X-rays every few minutes. The X-rays are triggered by periodic vibrations of Jupiter's magnetic field lines, creating waves of plasma that send charged particles towards the planet's atmosphere.
A new study suggests that cosmic dawn, when stars formed for the first time, occurred between 250 and 350 million years after the beginning of the universe. The study used data from the Hubble and Spitzer Space Telescopes to estimate the age of distant galaxies.
Measurements of iron spectrum in cosmic rays reveal that hydrogen, carbon, and oxygen nuclei travel through the galaxy similarly, but iron arrives differently. The findings provide a measurement of the galaxy structure and particle propagation through observations of element abundances and energy spectra.
A new study suggests that carbon, oxygen, and hydrogen cosmic rays travel through the galaxy toward Earth in a similar way, but iron arrives differently. Scientists believe this could indicate unique sources or propagation methods for different elements.
Researchers at Shinshu University and the National Polar Research Institute found a Forbush decrease in cosmic ray counts during a CME event, but the CR density exceeded its original level before exiting the Magnetic Flux Rope. The high-speed solar wind caused this unusual enhancement of CR density through local compression of the MFR.
Groundbreaking algorithms developed for MicroBooNE detector filter out cosmic ray tracks, pinning down elusive neutrino interactions. This work demonstrates crucial ability to eliminate cosmic ray backgrounds, critical for future U.S. neutrino research program.
A new panorama of the Galactic Center builds on previous surveys, expanding Chandra's high-energy view. The image features X-ray and radio emission intertwined threads, bound by magnetic fields that may have formed through magnetic reconnection. This process drives galactic-scale outflows and affects cosmic rays and interstellar medium.
The LHAASO observatory detected 12 Ultra-high Energy gamma-ray sources, prompting the presence of active or recent PeVatrons. The team identified possible candidates, including pulsar wind nebulae and supernova remnants.
A team of researchers from the University of Notre Dame developed a simulation model to better understand cosmic ray transport characteristics and improve detection techniques.
Researchers have created a new map of dark matter in the local universe using machine learning, revealing previously undiscovered filamentary structures connecting galaxies. The map provides a detailed understanding of the distribution of dark matter and its gravitational influence on galaxies.
Researchers have demonstrated a record-high laser pulse intensity of over 1023 W/cm2 to study complex interactions between light and matter. This achievement will enable exploration of high-energy cosmic rays and the development of new sources for cancer treatment.
Analysis of data from a lightning mapper and radiation detector revealed neutrons generated from soil by large cosmic-ray showers, matching simulations that included both hadrons and gamma rays. This discovery suggests natural phenomena producing ground-pointed gamma-rays could produce similar neutron burst signatures.
Researchers developed a new x-ray optics-on-a-chip device that can modulate X-rays at speeds up to 100 times faster than conventional devices. The tiny device, weighing just 3 micrograms, has the potential to capture fast chemical, material and biological processes.
Researchers used X-ray microscopy to analyze lithium batteries and employed machine learning to speed up the learning curve about process that shortens battery life. Infrared microscopy also goes off-grid with new technique, enabling time-sensitive experiments and broadening biological spectromicroscopy scope.
Researchers detect first evidence of ultrahigh-energy gamma rays spread across the Milky Way, providing proof of cosmic ray superaccelerators. The discovery confirms the existence of PeVatrons and opens new avenues for understanding cosmic ray origins.
Researchers developed an AI model to detect COVID-19 in chest X-rays with high accuracy, using a large dataset of other X-ray images as a starting point. The tool has the potential to assist doctors in identifying, measuring the severity and classifying the disease.
The HAWC Observatory has detected photons with energies of up to 200 TeV, a hundred trillion times greater than visible light. The source of these high-energy photons was identified as a nearby cloud of interstellar material surrounding a young star cluster.
The HAWC Gamma Ray Observatory has discovered the origin of the highest-energy cosmic rays in the galaxy, which are traced to the Cygnus OB2 star-forming region. This breakthrough resolves a long-standing question in astrophysics and sheds light on the mechanisms that accelerate these particles to petaelectronVolt energies.
The IceCube Neutrino Observatory uses a one cubic kilometer block of ice in Antarctica to track high-energy particles called neutrinos. The observatory enables the detection of new cosmic events, such as a recent Glashow resonance event detected by IceCube, which validated the Standard Model of particle physics.
Research suggests star clusters like Cygnus Cocoon can accelerate particles to petaelectronvolts, defying supernova theory. Theoretical models propose proton acceleration and search for lower-energy counterpart emission using NASA telescopes.
A new estimate of the local expansion rate, using a relatively new technique for measuring cosmic distances, finds that the universe is expanding at 73.3 km/sec/Mpc, in the middle of three other good estimates. This discrepancy between estimates raises concerns about understanding the physics and evolution of the universe.
A combined treatment of irradiation and essential oil vapors effectively destroys insects, bacteria and mold in stored grains. The addition of eucalyptus and tea tree essential oils improves effectiveness.
COSMIC, a multipurpose X-ray instrument at Berkeley Lab's Advanced Light Source, has made groundbreaking contributions in fields ranging from batteries to biominerals. It offers world-leading soft X-ray microscopy resolution below 10 nanometers and extreme chemical sensitivity.
The Tibet ASgamma experiment has discovered gamma rays beyond 100 TeV from a supernova remnant, suggesting that cosmic-ray nuclei are accelerated up to PeV energy and collide with a nearby molecular cloud. This discovery identifies the first candidate object in the Milky Way that can accelerate cosmic rays up to 1 PeV.
A multiyear study by Florida Atlantic University found striking differences in travel patterns between the Atlantic and Gulf coasts of Florida. The majority of Gulf coast whitespotted eagle rays exhibited migratory behaviors, while most Atlantic coast rays remained residents within the Indian River Lagoon.
Scientists have uncovered a gigantic cosmic particle accelerator after tracing a ghostly neutrino back to a shredded star. The detection provides evidence that tidal disruption events can be powerful natural particle accelerators.
Researchers have detected a high-energy neutrino in the wake of a star's destruction by a black hole, providing new insights into the origins of Ultrahigh Energy Cosmic Rays. This breakthrough sheds light on decades-old problem and offers support for the conclusion that Tidal Disruption Events could be responsible for producing UHECRs.
Researchers developed COSMIC BIRTH to analyse large-scale cosmic structures, expressing observations as if detected in the early universe. The algorithm uses sampling techniques to deal with high-dimensional spaces, enabling the study of galaxy clusters and their formation.
Frank G. Schroeder, a University of Delaware assistant professor, has received the prestigious Sloan Research Fellowship to study cosmic rays. His research aims to uncover the origins of nature's highest-energy particles, which have sparked upgrades at major cosmic ray observatories.
Research reveals that galaxies with larger, 'puffy' disks continue to form stars over a longer period after cosmic noon. This is due to the cooler gas and lower influence of black holes, allowing for continued star formation. By studying galaxy disk size, astronomers can now accurately predict when star formation will cease.
Researchers at the University of Göttingen have created a novel approach for generating X-rays by utilizing a thin layer structure with varying electron densities. This 'sandwich structure' enables focused X-ray beams to be directed in a specific direction, overcoming the challenges of traditional X-ray tube methods.
Researchers at EPFL have developed a perovskite material that can detect gamma rays with high efficiency, meeting the requirements for simple, reliable, and cheap detectors. The material, made of methylammonium lead tribromide crystals, shows high clarity and can be grown from abundant and low-cost raw materials.
Researchers at RIKEN Center for Biosystems Dynamics Research use electric rays and sting rays to create maps of the seabed, collecting data on ocean wildlife and resources. The method is cost-effective and has been shown to be accurate, with positioning errors within 10cm of existing seabed maps.
A new detector using cesium lead bromide perovskite crystals has been developed to aid in the detection and identification of radioactive isotopes. The device achieves high resolution in energy detection, allowing for differentiation between legal and illegal gamma rays.
Scientists have detected new types of solar electron bursts accelerated by shock waves from coronal mass ejections. The Voyager spacecraft, over 14 billion miles from the sun, recorded these bursts, which were linked to cosmic rays and provided valuable insights into interstellar physics.
A team of researchers has analyzed data to infer the nature of compact object orbiting within LS 5039, the brightest gamma-ray binary system in the Galaxy. The team suggests that particle acceleration process is caused by interactions between dense stellar winds and ultra-strong magnetic fields of a rotating magnetar.
Scientists have developed a new method for analyzing the structure of skin using T-rays, which can help diagnose and treat conditions like eczema and psoriasis. The technique measures the refractive index of skin to determine hydration levels, providing valuable information on skin thickness and properties.
Researchers have detected hot gas in cosmic web for the first time, revealing 40% of ordinary matter remains undetected. The discovery confirms earlier analyses and paves the way for more detailed studies on galaxy evolution.
Researchers found X-rays continuing to radiate from the collision long after models predicted they would stop. The study suggests possible explanations for the long-lived X-ray emissions, including a new feature of the collision's afterglow or the presence of a remnant neutron star.
Astrophysicists identify distinctive signatures of stellar-mass black holes in archival X-ray data, separating them from neutron stars. This is the strongest steady signature of stellar-mass black holes to date.
A team of researchers has precisely recorded the dependence of resonant magnetic scattering intensity on x-ray intensity using a ferromagnetic domain sample. They found that the loss in scattered x-ray intensity is due to transient demagnetization, not stimulated emission. This clarification has important ramifications for future singl...
The P-ONE initiative seeks to build a large-scale neutrino observatory in the Pacific Ocean to study high-energy cosmic particles. The project aims to uncover the origins of extragalactic neutrinos and potentially reveal the nature of dark matter.
Sara Buson aims to confirm blazars as the most important extragalactic neutrino sources, revolutionizing our understanding of blazar astrophysics. She will analyze a large sample of observations and physical data to establish a new framework for multimessenger studies.
A study found that reef manta rays live and travel long-term between two UNESCO World Heritage areas in Australia, visiting protected sites for over a decade. The research uses satellite tags and photographs to fill gaps in migratory patterns for this large species of rays.
Researchers at MIT have found that cosmic rays and low-level environmental radiation can cause decoherence in superconducting qubits, limiting their performance. This effect could limit the practicality of quantum computing within a few years, prompting scientists to explore shielding or design improvements.
A new study led by University of Illinois astronomer Brian Fields explores the possibility that astronomical events were responsible for an extinction event 359 million years ago. Researchers found evidence suggesting long-lasting ozone-depletion, which could be caused by killer cosmic rays from nearby supernovae.
Scientists have detected a mysterious gamma-ray heartbeat from a cosmic gas cloud in the constellation Aquila, powered by a neighbouring precessing black hole. The research team analysed over ten years of data from NASA's Fermi gamma-ray space telescope, revealing a consistent period between the cloud's emission and the black hole's jets.
Scientists use NASA data to predict heliosphere's characteristics, revealing a deflated croissant shape without a long tail. The shape of the heliosphere acts as our solar system's shield against galactic cosmic rays, protecting Earth and space travelers.
Researchers tracked seven whitespotted eagle rays for 119.6 hours, revealing their fine-scale movement patterns and habitat use. The study found that rays prefer shallower waters during the night and faster movement in ocean habitats.
Researchers at Tokyo University of Agriculture and Technology develop a novel collimator using a specially designed metasurface, enabling efficient manipulation of terahertz waves. This breakthrough has significant implications for next-generation wireless communications, security systems, biomedicine, and cultural heritage science.
A research team at the University of Warwick has developed a single-pixel terahertz imaging technology that reaches 100 times faster acquisition than the previous state-of-the-art. This breakthrough enables potential use in biomedical and industrial applications, including non-invasive security and medical screening.
The study confirms that the speed of light is constant in vacuum, as predicted by Einstein's general relativity theory. No energy-dependent time delay was detected in the arrival times of gamma rays from a high-energy gamma-ray burst, supporting GR. Strong constraints on the quantum gravity energy scale were also set.
Researchers at Penn State suggest that supermassive black hole coronae could be the source of high-energy cosmic neutrinos, exceeding expectations. The new model predicts electromagnetic counterparts in soft gamma-rays, with next-generation detectors poised to explore this possibility.
Researchers discovered that quasar gamma-ray emission extends over thousands of light-years along plasma jets, contradicting previous assumptions. This finding reveals that particle acceleration occurs not only near the black hole but also along the entire jet length.
Researchers at Virginia Tech propose that high-energy cosmic rays, rather than neutrinos, are responsible for the mysterious signals detected by the ANITA experiment. The team suggests that sub-surface firn, a dense layer of compacted snow, is causing the reflections.
A new study has provided precise tests of dark energy and cosmic expansion by analyzing the distribution of galaxies in the Universe. The research uses a combination of cosmic voids and baryon acoustic oscillations, yielding more accurate results than previous methods.