A tabletop sensor will detect cosmic events producing waves above 10 kHz, possibly related to dark matter. The Levitated Sensor Detector complements LIGO and Virgo observatories, observing smaller cosmic events that produce gravitational waves at higher frequencies.
A new study has developed a method to measure the cosmic expansion with greater precision, utilizing galaxy voids and accounting for distortions caused by dark energy and curvature. The results agree with the simplest model of a flat universe and tighten constraints on alternative theories.
Researchers found over 1,000 entangled shark and ray individuals, with true numbers likely higher due to under-studied cases. Entanglement causes significant animal welfare concerns, despite being considered a lesser threat than commercial fishing.
During the Earth's last geomagnetic reversal, high-energy particles from space increased cloud cover, leading to stronger winter monsoons in Siberia. This suggests that galactic cosmic rays can influence climate changes.
The Tibet ASgamma experiment has discovered the highest energy gamma rays ever observed from an astrophysical source, exceeding 450 TeV. The most energetic gamma rays were produced by interaction between high-energy electrons and cosmic microwave background radiation.
A new study using the Keck Cosmic Web Imager has provided the clearest evidence yet that filaments of cool gas spiral into young galaxies, explaining how they can make stars on fast timescales. The observations suggest a cold-flow model of galaxy formation, where cool gas flows directly into forming galaxies and is converted into stars.
The catalog includes 17 short and 169 long bursts, providing fresh insights into how gamma-ray bursts work. Astronomers can distinguish the two GRB classes by the duration of their lower-energy gamma rays, revealing clues to the physical mechanisms at play.
A new method allows researchers to map magnetic field orientations in space using ground-based telescopes, revolutionizing studies of star formation and cosmic rays. The 'Wisconsin technique' generates high-resolution maps comparable to those obtained with the Planck mission.
A team of researchers has discovered a massive radio-emitting plasma ridge in the gap between two merging galaxy clusters. This finding challenges existing theories on particle acceleration in intergalactic space and suggests an unknown mechanism at play.
Researchers suggest ancient supernovae induced proto-humans to walk on two legs, resulting in bipedalism and eventual human evolution. The study proposes that atmospheric ionization triggered an upsurge in cloud-to-ground lightning strikes, igniting forest fires and stimulating the transition from woodland to savanna.
Astronomers discover that a violent neutron star collision near the solar system created 0.3% of Earth's heaviest elements, such as gold and platinum, 4.6 billion years ago. This cosmic event is believed to have occurred in our neighborhood, about 1000 light years from the cradle of Earth.
A new study reveals that charged particles can emit bright flashes of gamma rays by interacting with the quantum vacuum, challenging a long-held assumption about the nature of empty space. The researchers used high-powered lasers and strong magnetic fields to create conditions where Cherenkov emission could occur in vacuum.
A Duke University study suggests that giant devil rays may have an unknown birthing zone in nearby waters, which could be a good news for conservation efforts but requires action to limit fishing during birthing months.
Researchers at Newcastle University found a significant discrepancy between reported and actual catches of vulnerable species like sharks and rays in small-scale fisheries. The study highlights the urgent need for global efforts to assess their impact on the environment.
A study published in Marine Policy found that 97% of sharks and rays caught in the Mediterranean and Black seas are not reported, putting them at risk of extinction. The lack of reporting makes it difficult to detect declines and design effective measures to protect threatened species.
Primary care dentists missed 67% of bone loss and 40% of tooth decay on dental x-rays when given limited time to assess them. When not under pressure, the participants diagnosed correctly, all pathologies related to bone loss and tooth decay, on average.
The GRAPES-3 muon telescope has discovered a record 1.3 gigavolt potential in a thundercloud, exceeding the previous record by 10 times. This massive voltage is essential for producing high-energy gamma rays in Terrestrial Gamma Ray Flashes.
Astronomers have discovered two 'galactic center chimneys' that funnel matter and energy away from the Milky Way's central black hole, which could provide clues about the rate of star production in other galaxies. The chimneys are linked to giant structures known as the Fermi bubbles, which straddle the galaxy's center.
A study has revealed a rare assemblage of sharks and rays from nearshore environments of Eocene Madagascar, including one new species, Carcharhinus underwoodi. The fauna shares similarities with ecosystems across North Africa but is uniquely lacking in sandsharks.
Researchers have developed a molecule that could enhance sun cream's protective effect against UVA rays, potentially benefiting patients with Friedreich's Ataxia and other mitochondrial disorders. The study found that skin cells from FA patients are up to 10 times more sensitive to UVA damage.
Chinese physicists develop mathematical equations and computer simulations to model photodetachment of negative ions via photons, simulating cosmic rays' collisions with planets. The speed of a moving surface significantly affects the chances of photodetachment, with Chloride (Cl-) ions being less prone than hydrogen (H-) ions.
Researchers led by Penn State astronomer Pragati Pradhan found that stellar winds, composed of protons, electrons, and metal atoms, contain dense clumps. The Chandra data revealed a 'Compton shoulder' indicating back scattering by surrounding matter, providing new insights into star environments.
A novel AI system can reduce average delay in reporting abnormal chest X-rays from 11 days to less than 3 days. The system uses computer vision and NLP algorithms to quickly identify critical findings, prioritizing exams for expert radiologist opinion.
A new AI system can interpret and prioritize abnormal chest X-rays with critical findings, reducing the backlog of exams and bringing urgently needed care to patients more quickly. The system distinguishes abnormal from normal chest X-rays with high accuracy and can perform this task significantly faster than human radiologists.
Researchers at SLAC National Accelerator Laboratory found that twisted magnetic field lines in black holes create the most powerful particle accelerators in the universe. This process can accelerate electrons and protons to extreme energies, resulting in cosmic rays with unprecedented powers.
New work from the Carnegie Supernova Project provides precise calibrations for using type Ia supernovae to measure cosmic distances. This improvement helps astronomers better understand how fast the universe is expanding and the potential impact of dark energy on this process.
The latest ranking from ZSL's EDGE of Existence programme highlights the most ancient fish at risk of extinction, including guitarfish, angel sharks, and saws-on-their-faces rays. These unique species have few or no remaining close relatives, making each one irreplaceable if they go extinct.
Researchers have developed two new approaches to 3D imaging with X-rays, enabling unprecedented detail in disease-screening, materials development, and structural information of opaque objects. The methods, including ghost imaging and single-shot techniques, reduce X-ray doses and destroy samples, paving the way for cheaper, more readi...
A new study by SF State biologists reveals that the distinctive 'horn-like' cephalic lobes of manta rays are actually modified fins, developed through a simple genetic tweak. The researchers found that the same Hox genes guiding fin development in related species also shape the horns in manta rays.
Researchers found that AI models performed significantly worse on X-rays from outside their own network compared to those from within. The study highlights the importance of carefully testing AI performance in real-world clinical settings.
Researchers blast trapped electrons with laser pulses to generate a cascade of particles, shedding light on astrophysical plasmas and potential industrial applications.
Routine X-ray imaging for infants with bronchiolitis remains common, despite American Academy of Pediatrics guidelines. Nearly half of children under 2 still receive X-rays from 2007 to 2015, highlighting the need for improved clinical data.
Researchers have detected extremely high-energy gamma rays from the microquasar SS 433, which is located 18,000 light years from Earth. This discovery sheds light on astrophysical processes and may offer insights into star systems in distant galaxies.
Researchers have discovered a sonic boom from an immense, unseen gamma-ray burst explosion. The blast generated two jets of gamma rays that crashed into surrounding gas, producing a shock wave akin to a sonic boom. This finding provides crucial new insight into the nature of gamma-ray bursts and their jets.
Astronomers successfully collected microscopic material streaming from Saturn's rings using Cassini's Cosmic Dust Analyzer and Radio and Plasma Wave Science instruments. The research reveals that the main component of Saturn's rings is water ice, with tiny silicates also present.
Researchers found that deep space bombardment can significantly damage gastrointestinal tissue, leading to long-term functional alterations and high risk of tumor development. The study's findings raise concerns about the health of astronauts on long voyages, such as Mars.
Researchers at Oregon State University discovered a novel filtering mechanism in manta rays that could improve commercial applications. Manta rays filter zooplankton and microcrustaceans using arrays of leaf-like lobes, allowing them to retain smaller particles while avoiding clogging.
Researchers studied manta ray filtration using physical modeling and CFD, discovering a novel non-clogging mechanism that resists clogging. The 'ricochet' separation process allows water to pass through while tiny particles are eaten, promising applications for industrial wastewater treatment and reducing microplastic pollution.
Researchers used the Murchison Widefield Array to observe radiation from cosmic rays in two neighboring galaxies, detecting areas of star formation and remnants from past supernovae. The study provides insights into the rate of star formation in these galaxies, shedding light on their unique features.
Cownose rays migrate along the Atlantic coast, with most returning to the same regions each summer. The study provides critical insights into conservation efforts, as intense fishing could wipe out genetic diversity in Chesapeake Bay populations.
The GRAINE collaboration launched a balloon-borne nuclear emulsion telescope to observe high-energy cosmic gamma rays. The experiment successfully completed a record-long flight of 17 hours and achieved high-resolution observations, marking a significant milestone in the field of cosmic gamma-ray research.
Dr. Frank Schröder will search for high-energy photons accompanying cosmic rays using a novel radio measurement technique. He aims to find the highest-energy photons ever measured at an Antarctic location.
Astronomers using NASA's NuSTAR satellite have revealed that binary star system Eta Carinae is capable of creating cosmic rays. The team observed the system and found evidence of a collision between the two stars' stellar winds, which forms shock waves and accelerates particles to nearly the speed of light.
The Calorimetric Electron Telescope (CALET) successfully measured the cosmic-ray electron spectrum in an energy range from 11 GeV to 4.8 TeV, significantly improving statistical power and reducing systematic uncertainties. The findings will aid in understanding high-energy cosmic rays and dark matter.
The Interstellar Mapping and Acceleration Probe (IMAP) mission will investigate the heliosphere, surrounding our solar system, and collect data on particle acceleration and interaction with interstellar medium. The $492-million mission includes 10 instruments to resolve scientific questions about the solar wind and cosmic rays.
HaloSat mission aims to search for the universe's missing matter by studying X-rays from hot gas surrounding the Milky Way galaxy. The satellite will help determine if the diffuse galactic halo is shaped more like a fried egg or a sphere, which will impact our understanding of the universe's mass and composition.
An international team, including SD Mines researchers, has found the first evidence of a source of high-energy cosmic neutrinos detected by IceCube. The blazar TXS 0506+056 is confirmed as the source, providing a pathway for scientists to follow back to the source.
Astronomers have identified a blazar, TXS 0506+056, as the probable source of a high-energy neutrino detected by IceCube. The National Radio Astronomy Observatory's Karl G. Jansky Very Large Array (VLA) provided clues about the blazar's radio emission.
Using Hawaii-based telescopes, scientists have identified TXS 0506+056 as a known blazar source of high-energy neutrinos. The discovery uses a combination of ground and space-based observatories to pinpoint the source's location.
The VERITAS array confirmed detection of gamma rays from a supermassive black hole, potentially the first astrophysical source of high-energy cosmic neutrinos. This discovery may shed light on the acceleration mechanisms that create cosmic rays.
The discovery provides evidence for a known blazar as a source of high-energy neutrinos detected by the National Science Foundation-supported IceCube observatory. The observations resolve a century-old mystery about what creates and launches cosmic rays, which are highly energetic particles that continuously rain down on Earth from space.
Researchers at UMD developed an alert system that enabled telescopes worldwide to pinpoint the source of high-energy cosmic neutrinos. The evidence points to a supermassive black hole, dubbed a blazar, as the most likely accelerator of these particles.
Astrophysicists have localized a high-energy cosmic neutrino originating outside the Milky Way to a blazar in the Orion constellation using MAGIC telescopes and IceCube detector. The observation provides insight into the origin of cosmic rays, which are believed to be accelerated by protons in the blazar's jets.
A breakthrough in the search for cosmic particle accelerators has been made by tracing a single neutrino back to a galaxy over three billion light years away. The discovery was made using an internationally organized astronomical dragnet and confirms that high-energy cosmic rays are produced in cosmic particle accelerators.
An international team of scientists has found evidence of a far-distant source of high-energy particles called neutrinos, an energetic galaxy about 4 billion light years from Earth. The discovery was made using the IceCube Neutrino Observatory and confirms that this galaxy is a cosmic ray accelerator.
Researchers from the University of Leicester played a key role in discovering the origin of 'ghost particles' - high-energy neutrinos and cosmic rays. A global network helped identify a known blazar as the source of these particles, providing new insights into the universe's most distant energy sources.
The VERITAS array has confirmed the detection of high-energy gamma rays from a supermassive black hole located in a distant galaxy, TXS 0506+056. This detection is significant as it provides evidence that nearby and faraway galaxies with supermassive blackholes at their centers are actively creating high-energy cosmic rays.
Researchers using NSF's IceCube Neutrino Observatory data confirmed a single neutrino's origin as a previously known blazar, providing the first definitive evidence of proton acceleration by black holes. This discovery sheds light on cosmic ray origins and supports multi-messenger astronomy.
Researchers discovered a blazar, a giant elliptical galaxy with a massive black hole, is the source of high-energy cosmic neutrinos detected by IceCube Observatory. The discovery resolves a century-old mystery about what creates and propels cosmic rays.
A team of University of Alabama professors, led by Dr. Marcos Santander, have discovered evidence of an active galaxy emitting neutrinos, which could revolutionize our understanding of the universe. The findings were published in the journal Science and mark a significant breakthrough in multimessenger astronomy.