A team of researchers at Lund University used Gaia space telescope data to study the outer disk of the Milky Way, finding large parts vibrate due to a passing dwarf galaxy. This 'galactic seismology' provides clues about Sagittarius' history and orbit around our home galaxy.
Researchers discovered lonsdaleite in ancient dwarf planet meteorites, confirming its existence and potential industrial applications. The unusual structure of lonsdaleite could help inform new manufacturing techniques for ultra-hard materials.
A new study reveals that density measurements separate rocky and water-rich exoplanets around red dwarf stars, suggesting a third population with 50% rock and 50% water composition. This discovery improves our understanding of small planet formation and evolution, paving the way for future searches for signs of life.
A research group from Nagoya University found that large-scale flowering and seeding of dwarf bamboo boosts Japanese field mouse populations, especially in mast years. The team's study showed an increase in both large and small mouse populations two years after the event, indicating good breeding conditions.
A team of researchers has discovered that gamma-ray radiation from the Sagittarius Dwarf galaxy can be explained by millisecond pulsars, ruling out dark matter annihilation as a possible explanation. The study reveals that these stellar objects are efficient accelerators of high-energy electrons and positrons.
Researchers from Osaka University discovered a new type of protein in red algae Cyanidioschyzon merolae associated with chloroplast protein import and targeting mechanism. The study found that red algae use distinct mechanisms involving GTP-binding proteins to transport proteins across the inner membrane of chloroplasts.
Researchers from the University of Bonn found that dwarf galaxies in one of Earth's nearest galaxy clusters show signs of disturbance without dark matter halos. The study's results contradict previous models, suggesting an alternative gravity theory might be more accurate.
Molnupiravir's efficacy is affected by SARS-CoV-2 variant type and biological sex of patients, according to the study. The drug showed variable results in dwarf hamsters infected with omicron, but was more effective in males than females.
A team of scientists used modeling to reveal that Ceres's interior decays radioactive elements, generating heat and powering geological activity. This process is different from the typical hot-cool pattern seen in larger planets, with similarities to Uranus's moons
Research suggests that chemicals produced by gut microbes after eating red meat may contribute to cardiovascular disease. The study found a 22% higher risk of atherosclerotic cardiovascular disease associated with increased red meat consumption, which was partly attributed to elevated levels of TMAO and related metabolites in the blood.
A super-Earth planet, Ross 508 b, has been discovered near the habitable zone of a red dwarf star 37 light-years from Earth. The planet's orbit is elliptical, potentially placing it in the habitable zone for part of its orbit.
Researchers have discovered a new technique for detecting dim bodies, including planets, orbiting Cataclysmic Variables (CVs). The method analyzes changes in brightness caused by perturbations of a third body orbiting the inner two stars. Two out of four studied CV systems show signs of planetary mass objects in orbit around them.
Astronomer Frank Kiwy uses Astro Data Lab to discover 34 new ultracool dwarf binary systems in the Sun's neighborhood, expanding knowledge of brown dwarfs and their companions. The discovery nearly doubles previously known samples, shedding light on how often brown dwarfs have companions.
A team of astronomers discovered an unusual ultra-faint dwarf galaxy, Pegasus V, on the outer edge of the Andromeda Galaxy using NSF's NOIRLab facilities. The galaxy appears to be extremely deficient in heavier elements, indicating it is very old and likely a fossil of the first galaxies.
Astronomers observe white dwarf star G238-44 siphoning off debris from inner and outer reaches of its planetary system, revealing insights into planetary system evolution. The study provides unique opportunity to analyze elements in planets apart and shed light on conditions of planetary formation.
A recent study found that while consumers in Finland express openness to shifting towards a plant-based diet, their purchasing trends reflect a strong preference for red meat. The researchers analyzed individualized purchase data of 29,437 customers and found that red & processed meat accounted for 63% of protein purchases, while plant...
Two new species of giant dwarf crocodiles, Kinyang mabokoensis and Kinyang tchernovi, were discovered in East Africa between 18 million and 15 million years ago. The ancient forms were massive predators that likely posed a significant threat to human ancestors.
Astronomers observed the fastest nova ever recorded, which drew attention to an unusual star. The research team studied its many baffling traits, including a pulsing light pattern, and may find answers to questions about our solar system's chemistry, star death, and universe evolution.
A nationwide study in Sweden found that receiving red blood cells from female donors does not increase the risk of death in transfused patients. The study controlled for lower haemoglobin levels in women's blood and found no difference in survival rates between male and female donors.
Researchers have directly imaged four new brown dwarfs orbiting stars from far away, significantly advancing our understanding of these enigmatic objects. The study utilized a novel approach combining space and ground-based facilities to detect hidden companions.
A new study reveals that red pandas are being driven closer to extinction due to human activities such as infrastructure projects and habitat fragmentation. The research suggests that minimizing human-induced disturbances is crucial for the survival of this species.
The study found that the adapted version of the Re-Engineered Discharge (RED) Program, RED for Depression (RED-D), reduced hospital readmissions among patients with depressive symptoms by 48% and 70% at 30- and 90-day marks. The program included post-discharge depression treatment and transition support.
Researchers have found a significant number of massive black holes in dwarf galaxies, contradicting previous assumptions that they are rare. The newly discovered black holes offer insights into the life story of the Milky Way's supermassive black hole and its potential mergers with other galaxies.
A new study suggests that the Hypatia Stone, discovered in Egypt, may be the first tangible evidence on Earth of a supernova type Ia explosion. The stone's unique chemistry and elemental composition contradict conventional views of solar system formation, potentially revealing a long-hidden secret about our cosmic neighborhood.
A meta-analysis published in the European Journal of Clinical Nutrition found that diets containing red meat did not impact glycemic and insulinemic risk factors for type 2 diabetes. The study suggests that more research is needed to fully understand the relationship between red meat consumption and the development of type 2 diabetes.
Researchers developed efficient red emissive carbon dots (CDs) through a facile one-step solvothermal synthesis, enabling high-quality imaging in the red to NIR range. The CDs exhibited high photoluminescence quantum yield and enhanced multi-photon fluorescence when combined with bovine serum albumin.
A team of researchers from Brigham Young University has solved the mystery of Haumea's origin by re-evaluating assumptions about its formation. By considering the dwarf planet in the context of the broader solar system creation, they proposed a new explanation that explains why Haumea is one of the fastest spinning objects and covered ...
Researchers found that low oxygen areas, or dead zones, were more likely to occur when red tides began in early summer. The study linked hypoxia to red tides across the west coast of Florida, shedding light on the conditions favorable for combined events.
A team of astronomers has discovered micronovae, extremely powerful events that occur on the surface of white dwarfs and can burn through billions of kilograms of material in a few hours. These new stellar explosions challenge our understanding of thermonuclear reactions in stars and may be more abundant than previously thought.
Researchers at ACS Sustainable Chemistry & Engineering have identified a less toxic dye called pigment red 254 (PR254) as a greener alternative to current anthraquinone dyes used in signal smokes. PR254 forms a red-colored smoke cloud more effectively and is thermally stable, making it suitable for use in heat-generating systems.
The MAGIC telescopes detected gamma rays with energies of 250 gigaelectronvolts from the RS Ophiuchi nova, a hundred billion times more energetic than visible light. This suggests that nova outbursts are a source of cosmic rays, specifically accelerated protons and nuclei of hydrogen atoms.
Astronomers at the University of Sydney have discovered slimmer red giant stars, which have undergone dramatic weight loss. The unusual stars are thought to have lost mass due to their stellar neighbors, providing valuable insights into star evolution and life in the Milky Way.
A recent study from Lund University reveals new information about the movement patterns of white dwarfs in the Milky Way. The researchers mapped the three-dimensional velocity distribution for the largest catalogue of white dwarfs to date, providing a detailed picture of their velocity structure.
A study has shown that wind variations over the southern Red Sea are the main drivers of sea-level extremes, driving levels up and down depending on wind direction. This understanding is crucial for coastal planning and management to mitigate the impact of storm surges and coastal erosion.
Recurrent novae outbursts in binary systems accelerate protons to high energies, suggesting a Hadronic origin of gamma-ray emission. The expanding shock wave from RS Oph's outburst efficiently accelerated protons to gigaelectron volt and teraelectronvolt energies.
Research reveals a cosmic particle acceleration process in a stellar nova, accelerating particles to extreme energies. The observation suggests that the acceleration process could be efficient in supernovae, providing new insights into astrophysics.
Astrophysicists have calculated the original mass and size of a dwarf galaxy torn apart in a collision with the Milky Way billions of years ago. The reconstructed galaxy's stars now stream through the Milky Way, carrying information about its gravitational field.
A team of astronomers has discovered a rare pair of brown dwarfs that have the widest separation of any brown dwarf binary system found to date. The two brown dwarfs are about 12 billion miles apart, or three times the separation of Pluto from the Sun.
An international research team has assessed European vascular plant species and found that 7-9% are globally endangered. This study addresses the significant data gap in global Red List of Threatened Species, with nearly 90% of known plant species lacking threat assessments.
A team of researchers detected a ring of planetary debris surrounding the white dwarf WD1054–226, suggesting a nearby planet may be present in its habitable zone. The study found that the debris is kept in a precise arrangement by a nearby planet's gravitational influence.
Researchers have discovered a ring of planetary debris orbiting close to a white dwarf star, suggesting the presence of a nearby planet in the habitable zone. The planet is thought to be similar in size to terrestrial planets in our solar system and could support liquid water, making it potentially habitable.
Astronomers have observed the moment that debris from destroyed planets impacts a white dwarf star for the first time, confirming decades of indirect evidence. The event was detected using X-rays and provides direct measurement of accretion of rocky material onto a white dwarf.
Researchers from The University of Tokyo developed a model to predict the occurrence of red snow events, which are associated with the duration of snow melt and the timing of new snowfall. The study found that snow algae blooms can speed up snow melt as they darken the surface.
Astronomers have discovered that a black hole at the center of the Henize 2-10 galaxy is actively promoting new star formation, with newborn clusters spotted along an outflow of gas stretching 230 light-years from the black hole. This finding sheds light on the origins of supermassive black holes in the early universe.
A world-first study found that space travel causes a 54% increase in red blood cell destruction, leading to severe anemia upon return to Earth. Astronauts experienced prolonged effects of anemia even after months of recovery.
Astronomers have discovered a binary system consisting of a rapidly spinning neutron star and the precursor to an extremely-low-mass white dwarf, dubbed a 'cosmic spider'. The system emits powerful gamma-rays and has been observed using the SOAR Telescope in Chile.
A sub-Neptune exoplanet named TOI-2257 b has been found to have an eccentric orbit around its host star, making it a candidate for further study. The planet's distance from the star allows for liquid water and potentially life-supporting conditions.
Astronomers have imaged a red supergiant star's rapid self-destruction and final death throes before collapsing into a type II supernova. The discovery challenges previous ideas of how red supergiants evolve right before exploding.
Researchers have found no dark matter in the ultra-diffuse dwarf galaxy AGC 114905, which can be explained by normal matter. The discovery confirms previous measurements and raises questions about the existence of dark matter in galaxies.
Researchers have discovered GJ 367b, a sub-Earth exoplanet with a density similar to that of pure iron, which orbits its red dwarf star host in under 24 hours. The planet's size and mass indicate it has lost its outer mantle, suggesting an iron-rich core, similar to Mercury's interior structure.
Astronomers at UT Austin's McDonald Observatory have discovered a massively dense black hole at the center of dwarf satellite galaxy Leo I, revealing an unprecedented mass ratio between the galaxy and its central black hole. This finding shakes up our understanding of galaxy evolution and dark matter distribution.
Researchers found that three minutes of morning exposure to 670nm deep red light improved color contrast vision by 17% and the effects lasted for at least a week. The study built on previous findings that daily longwave deep red light exposure boosts energy-producing mitochondria cells in the retina.
Astronomers have detected a white dwarf star that spins at an incredible rate of once every 25 seconds, completing one rotation faster than Earth. The star is thought to be the size of the Earth but massive enough to pull material from its companion star, creating a magnetic propeller system.
The global red and processed meat trade has risen exponentially, leading to a sharp increase in diet-related illnesses, particularly bowel cancer, diabetes, and coronary artery heart disease. Health policies should be integrated with agricultural and trade policies to address this issue.
A study by Karolinska Institutet found that low levels of microRNA-210 in red blood cells cause vascular damage in type 2 diabetes. The reduction in microRNA-210 levels impaired blood vessel endothelial cell function and led to increased risk of cardiovascular disease.
Researchers identified six human blood proteins, including serum albumin and immunoglobulin G, in the red paint of a 1000-year-old gold mask. The presence of bird egg proteins suggests the use of a binding material to preserve the paint on the metal surface.
Researchers at Durham University used NASA's TESS satellite to observe a white dwarf switching on and off, challenging understanding of accretion processes. The discovery may help explain the physics behind accretion in objects like black holes and neutron stars.
Researchers detected giant gas planet with Jupiter-like orbit around white dwarf star, confirming planets can exist beyond star death; study suggests Jupiter and Saturn may survive Sun's red giant phase.
Scientists have discovered radio waves coming from 19 distant red dwarf stars, suggesting the presence of hidden planets. The discovery uses the world's most powerful radio telescope, LOFAR, and indicates a scaled-up version of Jupiter-Io interaction with a planet in the star's magnetic field.
Researchers have successfully sampled Vesta's mantle using meteorites derived from the dwarf planet, resolving the 'missing mantle problem' and providing a record of the earliest era in solar system formation. This breakthrough pushes back our knowledge to just two million years after the beginning of solar system formation.