Researchers observed a pulsar that dramatically changes its radio and X-ray emissions, defying existing theories on star emission. The study reveals the pulsar switches between two extreme states, one dominated by X-ray pulses and the other by organized radio pulses.
Researchers found a pulsar, PSR B0943+10, that changes its behavior between two extreme states: one dominated by X-ray pulses and the other by highly organized radio pulses. The team used simultaneous observations with the XMM-Newton satellite and two radio telescopes to reveal this unique behavior.
Scientists at the University of Manchester have developed a camera that takes powerful three-dimensional colour X-ray images, enabling rapid detection of contraband, corrosion, and cancer. The technology uses hyperspectral imaging to identify chemicals and compounds within large objects, reducing scanning time by minutes.
Astronomers have found gamma-ray flares originating 70 light-years away from a galaxy's central black hole, contradicting the long-held theory that such events occur only close to the black hole. The 2011 flares from galaxy 4C +71.07 provide the clearest evidence of this phenomenon.
A team of astronomers discovered a 'missing link' of black holes in the Andromeda galaxy, shedding light on bright X-ray sources and ultraluminous X-ray sources (ULXs). The findings confirm that these ULXs are normal, everyday black holes with masses around ten times that of the Sun.
Scientists have used an X-ray laser to measure atomic processes in extreme plasmas, revealing a surprising finding: collisions with electrons are not a factor in reducing X-ray signals. This discovery challenges existing models and paves the way for future research using free-electron lasers.
A team of scientists has identified a new solution to an astrophysical phenomenon using laser experiments, shedding light on the discrepancy between observations and theoretical predictions. The research paves the way for future X-ray astrophysics research using free-electron lasers.
Researchers used Earth-orbiting X-ray telescopes to observe a bingeing black hole that expels powerful beams of material, solving the debate over whether ULXs are black holes gorging themselves or more massive ones eating sedately. The discovery provides key insights into how jets are produced by a binging black hole.
Astronomers have detected radio-emitting jets from a stellar-mass black hole outside our galaxy, providing insight into extreme accretion rates. The discovery sheds light on the nature of ultraluminous X-ray sources and their connection to black hole binaries.
A team of astronomers has discovered an excess of X-ray radiation in the first few minutes of collapsing massive stars, potentially revealing the signature of the supernova shock wave. This breakthrough could enable the detection of new supernovae earlier than current methods, allowing for more precise monitoring and analysis.
The Fermi Gamma-ray Space Telescope has improved its ability to detect terrestrial gamma-ray flashes, which are brief outbursts of high-energy light produced above thunderstorms. The enhanced detection rate revealed that TGFs also generate a strong burst of radio waves, changing how scientists study this phenomenon.
Researchers create technique to measure temporal profile and arrival time of individual FEL pulses with femtosecond precision, allowing for precise study of atomic, molecular, and solid-state systems. The method enables filming of atoms in motion and exploration of processes that evolve within X-ray exposure.
A record-setting X-ray jet has been detected 12.4 billion light years from Earth, providing a glimpse into the explosive activity associated with supermassive black holes in the early universe. The jet is thought to be boosted by cosmic background radiation and points almost directly toward us.
By using high-powered X-ray laser, researchers stripped a record 36 electrons from a xenon atom, achieving a previously unachievable positively charged state. This breakthrough will help create new states of matter and produce higher-quality images of nano-world objects.
Using the world's most powerful X-ray laser, researchers observed an unprecedented charge state by ejecting dozens of electrons from a xenon atom. The discovery reveals new insights into heavy atoms and could have practical applications in research and industry.
The Las Cumbres Observatory's Network of Robotic Echelle Spectrograph (NRES) prototype has achieved its first light, primarily designed to support the study of exoplanets. The NRES will extend the capabilities of the LCOGT 1-meter network with six high-resolution spectrographs.
A team of astronomers, led by Joel Kastner from RIT, has conducted the most comprehensive X-ray survey to date for planetary nebulae using Chandra's exceptional 'X-ray vision'. The study reveals new insights into the violent processes of stellar death and wind collisions in X-rays.
Researchers have developed a new computerized technique to diagnose osteoporosis using X-rays, which estimates bone porosity and improves accuracy over visual examination. The system has shown high accuracy rates of less than 2% in detecting osteoporosis in elderly Asian patients.
The study reveals a massive halo of hot gas extending hundreds of thousands of light-years around the Milky Way, with an estimated mass of over 10 billion suns. The discovery may solve the long-standing 'missing baryon' problem in galaxy research.
A novel CT scanner with grating-based x-ray phase contrast technology demonstrates improved soft tissue visibility in preclinical research. The technology, developed by a German-Swedish-Belgian team, has the potential to revolutionize biomedical imaging and could lead to medical CT scanning applications in the future.
The Phoenix cluster holds the record for the fastest star formation rate in a galaxy cluster's center, breaking previous assumptions about cosmic evolution. The cluster's high star birth rate and rapid cooling of hot gas are expected to be short-lived due to unsustainable growth.
The Phoenix Cluster, discovered by the NSF's South Pole Telescope, is creating stars at an unprecedented rate of 20 times faster than in other clusters. The cluster's central galaxy and super-massive black hole are undergoing unsustainable growth, adding mass quickly before it becomes unsustainable.
Scientists at Argonne National Laboratory have developed a new X-ray imaging technique that enables non-destructive 3D visualization of material surfaces. This breakthrough expands the range of X-ray research possible for biology, nanotechnology, and photonics.
Scientists at SLAC National Accelerator Laboratory have improved the Linac Coherent Light Source (LCLS) by using a diamond filter to create narrower X-ray wavelength bands, enabling sharper images of materials and molecules. This advancement promises to speed discoveries and add new scientific capabilities.
A new X-ray imaging technique has produced dramatic three-dimensional images of gold nanocrystals, revealing their structure for the first time. The improved image quality will likely lead to a better understanding of nanomaterials' properties.
Researchers identified a radio-quiet, very young pulsar J1838-0537 that experienced the strongest rotation glitch ever observed for a gamma-ray-only pulsar. The glitch resulted in a 38 millionths of a Hertz faster rotation rate.
The Portable Neutron Spectroscope (NSPECT) is a highly sensitive instrument that detects illicit radioactive materials with pinpoint accuracy. The technology, developed by UNH scientists, employs techniques used in NASA's Compton Gamma Ray Observatory to locate nuclear bomb-making material.
Astronomers have observed a young star, V1647 Orionis, exhibiting intense X-ray activity in the McNeil's Nebula, driven by strong magnetic fields. The star's rapid rotation is also evident in its X-ray emission patterns.
Researchers using Chandra X-ray Observatory and XMM-Newton have found a point-like object, IGR J11014, which may be a rapidly spinning, super-dense star ejected during a supernova explosion. If confirmed, its speed of millions of miles per hour poses a challenge to existing models for supernova explosions.
Neil Gehrels, a NASA astrophysicist, receives the Committee on Space Research Harrie Massey Award for his pioneering contributions to gamma-ray astronomy. The award recognizes his leadership role in advancing astronomers' understanding of gamma-ray bursts.
The partnership will expand X-ray technology and research capabilities, enabling scientists to solve pressing global problems. Scientists from the two facilities will work together on R&D projects to improve light-source technology and upgrade beamlines.
A new study using Chandra data reveals two galaxies with supermassive black holes growing at a rate outpacing their host galaxies. The findings suggest that dark matter halos and black holes are linked in the growth of these galaxies, contradicting previous assumptions.
Fermi detects the highest-energy gamma rays ever associated with a solar flare, surpassing visible light by two billion times. The discovery showcases Fermi's capabilities as a solar observatory, providing insights into solar outbursts and charged particles acceleration.
An international team of scientists has successfully created bright coherent x-ray radiation using a new method developed at the Vienna University of Technology. This breakthrough enables the production of high-energy x-rays with short wavelengths, making it suitable for various applications such as materials science and medicine.
A research team at CU-Boulder has generated laser-like beams of X-rays from a tabletop device, enabling super-high-resolution imaging and providing insights into the nanoworld. The breakthrough device uses atoms in a gas to efficiently combine low-energy photons, generating high-energy X-ray photons.
The University of Nevada, Reno is supporting the commercial harvesting of invasive crayfish at Lake Tahoe to improve clarity and take away a food source for other invasive species. The estimated 220 million crayfish could be harvested, stimulating local tourism and providing a new market for restaurants.
Scientists have developed a new X-ray imaging method that improves contrast in computed tomography scans without increasing radiation dose. The technique, called grating interferometry, uses microstructures to enhance contrast and can be combined with clinical CT scanners.
Astronomers use XMM-Newton data to detect X-ray 'echoes' from a distant galaxy, revealing a new way to study supersized black holes and their accretion disks. The echoes, which lag behind AGN flares by up to 30 minutes, provide insights into the environment around these massive black holes.
Scientists used a novel X-ray technique to analyze the structure of hen egg white lysozyme at a high resolution of 0.19 nanometres, demonstrating the potential of free-electron lasers in structural biology. The technique, which uses ultrashort X-ray pulses, enables the study of previously intractable molecular structures.
Researchers observed a supernova's X-ray emission breaking through a cocoon of dense gas surrounding the star. The data support the idea that some supernovas are powered by blast waves interacting with surrounding material. Additionally, the discovery hints at an unrelated ultraluminous X-ray source nearby.
A groundbreaking study on manta ray migration patterns reveals feeding habitats and threats to the world's largest ray. The research found that manta rays spend most of their time in coastal areas with abundant zooplankton and fish eggs, but only 11.5% of locations occurred within marine protected areas.
The IceCube Neutrino Observatory has provided significant new insights into the production of cosmic rays, contradicting 15 years of predictions. The study found no neutrinos from gamma-ray bursts, forcing a re-evaluation of theories on high-energy cosmic ray production.
The IceCube Neutrino Observatory has found no neutrinos emitted from gamma ray bursts, contradicting 15 years of predictions and challenging one of the two leading theories for high-energy cosmic rays. The result opens a new window on cosmic ray production and the interior processes of GRBs.
The Musket Ball Cluster is a newly discovered galaxy cluster where so-called normal matter has been wrenched apart from dark matter through a violent collision. The system, observed 700 million years after the collision, provides valuable insight into the evolution of galaxy clusters and their member galaxies.
Researchers used Chandra X-ray Observatory and other telescopes to map dark matter in galaxy cluster Abell 383. The study found a stretched-out, football-like shape of dark matter, with the point aligned close to the line of sight. The results challenge standard models and suggest further research is needed to resolve the discrepancy.
Astronomers have observed a unique neutron star system, T5X2, exhibiting marginally stable nuclear fusion at high accretion rates. The RXTE data resolves a long-standing gap between theoretical predictions and observational evidence, shedding light on the complex processes governing thermonuclear explosions.
Astrophysicists have uncovered new questions and clarified previous theories about gamma-ray bursts using the Fermi Gamma-Ray Space Telescope. The telescope's unique view allows it to capture the highest energy portion of these bursts, which are difficult to detect due to their brief duration and narrow radiation patterns.
Researchers are exploring X-ray imaging as a next-generation tool for gathering detailed structural and functional information on biomolecules. The technology has the potential to surpass traditional X-ray crystallography, enabling the study of complex biological systems in unprecedented detail.
Researchers at DESY have successfully made atomic nuclei transparent using X-ray light, a crucial step towards developing quantum computers. This achievement demonstrates the effect of electromagnetically induced transparency (EIT) in atomic nuclei and has significant implications for the future of quantum computing.
The study suggests a massive cloud of trillions of asteroids and comets surrounds Sgr A*, where they are vaporized by friction as they pass through the hot gas flowing onto the black hole. The flares observed by Chandra could be explained by the frequent collision of asteroids with the black hole.
The 'sloshing' motion in the hot gas cloud of Abell 2052 helps redistribute heavy elements and limits star formation, while also affecting the growth of the galaxy's supermassive black hole. The Chandra observations provide insights into the complex interactions within the galaxy cluster.
Researchers created an atomic X-ray laser by removing electrons from neon gas atoms, creating a 'domino effect' that amplified the laser light. The new technology fulfills a 45-year-old prediction and could lead to breakthroughs in medicine, devices, and materials.
The Broad Institute has received a $32.5 million grant to launch the Klarman Cell Observatory, which will decipher how biological decisions are made in health and disease. The Observatory aims to shed light on the inner workings of cells, leading to major treatment breakthroughs.
Researchers at SLAC National Accelerator Laboratory have created the shortest, purest X-ray laser pulses ever achieved, enabling ultrafast reactions to be seen in detail. This achievement fulfills a 1967 prediction and opens doors for new scientific discoveries.
Scientists at SLAC National Accelerator Laboratory have created a 2-million-degree piece of matter using the world's most powerful X-ray laser. This achievement takes them a significant step forward in understanding extreme matter found in stars and giant planets, potentially leading to advancements in nuclear fusion research.
Researchers studied a galaxy cluster 5 billion light years away, finding that it has passed through each other without collision. The study revealed that most of the dark matter had also passed through, but gas clouds collided, creating a huge cloud of superheated gas.
Research on low-dose X-ray irradiation reveals significant reduction in aerobic bacteria and mold/yeast populations, while maintaining sugar levels in asparagus. The study found that X-ray treatment can enhance consumer safety by decreasing the number of viable microorganisms.
Researchers developed a new technique to improve X-ray crystallography, allowing for three to five times better signal levels than standard methods. This enables the study of large molecules with greater depth and understanding while minimizing radiation damage.
For the first time, astronomers have produced a complete description of a black hole using precise measurements. The new information reveals that the black hole is nearly 15 times more massive than our Sun and spinning over 800 times per second.
New study reveals two young galaxies at 12 billion years old with super-solar metal abundances, challenging our understanding of the universe's chemical evolution. The findings support the idea that gamma-ray bursts are associated with vigorous massive star formation and provide insights into the history of the early universe.