The discovery of an exomoon in the CD-35 2722 system, orbiting a brown dwarf rather than a planet, challenges our understanding of planetary objects. The exosatellite is estimated to be at least as massive as Jupiter and orbits a highly massive companion, blurring the lines between stars, planets, and moons.
Astronomers discovered high-speed 'bullets' of oxygen-rich gas shooting out of the only known helium nova in Milky Way, confirming binary system responsible for rare stellar explosion. The discovery provides unprecedented opportunity to study one of universe's rarest types of stellar explosions.
A new theory proposes that Little Red Dots are early forms of globular clusters. These mysterious objects, detected by JWST in 2022, shine with distinctive red and ultraviolet light. The study suggests a connection between their formation and the creation of supermassive stars at the centers of globular clusters.
Researchers at Osaka Metropolitan University successfully generated red blood cell-like cells from canine induced pluripotent stem cells (iPSCs), marking a significant step towards artificial cell production for blood bank reserves. The study used CRISPR-Cas9 genome editing to target glycophorin A, allowing the team to visualize and tr...
Researchers directly observed four white dwarf stars orbiting double star systems in our cosmic backyard. The new results revealed that each system had a red dwarf companion, which was hiding the white dwarf's light. This discovery allows researchers to update the local white dwarf census within 20 parsecs of Earth.
A new study reveals that brief warm temperatures disrupt the internal bacterial ecosystem of dwarf spiders, leading to a sudden comeback of male offspring. The research found that thermal stress triggers a transgenerational shift in microbial dynamics, with a rival bacterium blocking the feminizing bacteria and allowing males to thrive.
The Cozumel dwarf fox, a critically endangered species, has been rediscovered after two decades. The fox was rescued and released into the Laguna Colombia State Reserve, highlighting the need for urgent conservation measures to preserve its habitats.
Astronomers at UNC-Chapel Hill played a key role in identifying the source of mysterious long-period radio transients. The discovery of ASKAP J1745–5051, a binary star system containing a white dwarf and red dwarf companion, provides strong evidence for the origin of these unusual bursts of radio waves.
A team of astronomers has identified a rare stellar system that provides a unique natural laboratory to study extreme physics. The system, called ASKAP J1745−5051, consists of a white dwarf and a red dwarf star, producing powerful bursts of radio waves and X-rays.
Astronomers have found strong evidence that young red dwarf stars can swallow their own nearby planets. The study, published in Monthly Notices of the Astronomical Society, suggests that six different red dwarfs had engulfed Earth-like rocky planets, providing a fresh burst of lithium to their atmospheres.
A new study uses unprecedented simulations to reveal how ultra-faint dwarf galaxies reflect the conditions of the early Universe. These tiny satellite galaxies can provide clues about the properties of dark matter and help test early-Universe physics with upcoming observations.
New research has found that immature red blood cells can import heme from surrounding cells, overcoming long-standing assumptions about heme and red blood cells. This discovery could lead to new therapeutic approaches for inherited genetic blood disorders such as β-thalassemia.
Ultra-faint dwarf galaxies, tiny satellite galaxies of the Milky Way, can reflect conditions of the early universe, shedding light on galaxy formation and dark matter. Simulations suggest these small galaxies are sensitive to early radiation environment and can probe the universe's earliest climate.
An international team maps the climate of rocky exoplanets like TRAPPIST-1b and c for the first time, ruling out dense atmospheres due to extreme temperatures. The study uses James Webb Space Telescope observations to determine surface temperatures on both day and night sides.
Researchers at Osaka Metropolitan University discovered that dragonfly visual protein detects red light similarly to mammals. This finding has potential applications in medical fields relying on red light-sensing, such as optogenetics.
Research finds that building gypsum powder reduces soil strength when exposed to water, but augments it at low concentrations of sodium sulfate. The study also reveals the impact of dry-wet cycles on soil pores, structure, and resistance.
Astronomers from the University of Liège have solved a 50-year-old stellar mystery by attributing the X-rays emitted by Gamma Cas to a magnetic white dwarf orbiting the star. The study used high-energy astrophysics instrumentation and revealed that the X-rays are associated with the compact companion, not the massive Be star itself.
Astronomers have solved a 50-year-old mystery surrounding the star gamma-Cas, revealing that its unusual high-energy X-rays are linked to the orbital motion of an invisible white dwarf companion. This breakthrough was made possible by unique high-resolution observations from the European Space Agency's XRISM mission.
Astronomers have discovered a rare second-generation star, PicII-503, in the ultra-faint dwarf galaxy Pictor II, which preserves the chemical imprint of the first stars in the Universe. The star has an extreme overabundance of carbon and the lowest iron abundance ever measured outside of the Milky Way.
Researchers discovered a freshwater alga that captures far-red light for photosynthesis by rearranging ordinary chlorophyll. This unique strategy allows the alga to thrive in shaded forests and murky waters, making it resilient in tough environments. The findings have practical implications for sustainable bioenergy production and may ...
The American Heart Association urges everyone to take action to support women's heart health in four ways: know your numbers, join Research Goes Red, and celebrate survivors. The organization aims to raise awareness of cardiovascular disease in women, which is the leading cause of death in women, claiming 1 in 3 lives.
A study found that ultra-endurance running damages red blood cells, reducing their ability to carry oxygen and nutrients. The damage accelerates the aging and breakdown of these cells, with longer races leading to greater damage.
A high-energy cosmic event detected by the China-led Einstein Probe space telescope may mark the moment when an intermediate-mass black hole tears apart and consumes a white dwarf star, according to astrophysicists from The University of Hong Kong. The team provided crucial theoretical judgement that led to the focus on this model.
A new study proposes a two-component self-interacting dark matter model that naturally reproduces observational results for dwarf galaxies and strong gravitational lensing. The model predicts mass segregation, where heavier particles sink towards galaxy centers and lighter particles diffuse outward.
Researchers believe a gigantic ring system surrounding a brown dwarf or super-Jupiter could have blocked the star's light, causing an extremely rare fading star phenomenon. The dimming lasted nearly 200 days, making it one of the longest ever observed.
Researchers from the University of Copenhagen have explained the mysterious 'red dots' seen in James Webb Space Telescope images as young black holes. The discovery provides insight into how the universe's first black holes were born and sheds light on their early development.
A six-year study found dwarf birch trees in blanket bogs survived with higher rates of growth and survival at lower deer densities. The study suggests that lowering deer densities can help restore lost mountain woodlands in the Scottish Highlands.
A new study from Karolinska Institutet reveals that long-term type 2 diabetes can cause red blood cells to become directly harmful to blood vessels. The researchers found that microRNA-210 plays a crucial role in this process, and its levels in red blood cells may serve as a biomarker for early detection of cardiovascular complications.
Astronomers have created a naturally occurring space weather station around complex periodic variable M dwarf stars to study the environment of planets. This discovery sheds new light on how stars affect their planets' makeup and might provide clues about the habitability of distant worlds.
The Subaru Telescope's OASIS program has discovered a massive planet and a brown dwarf orbiting distant stars. These discoveries enable the upcoming Roman Space Telescope to test critical technologies for imaging Earth-like planets.
Researchers used NASA's IXPE telescope to study the innermost region of an intermediate polar, revealing a surprisingly high degree of X-ray polarization and an unexpected direction of polarization. The team found that X-rays were emitted from a column of white-hot material pulled in by the white dwarf's strong magnetic field.
A brown dwarf companion, J1446B, has been found orbiting a nearby M dwarf star, LSPM J1446+4633. The discovery uses a synergy of ground- and space-based observatories, including Subaru's IRD instrument and the Gaia mission, to determine the dynamical mass and orbital parameters of the brown dwarf with unprecedented accuracy.
Astronomers have detected phosphine (PH3) in the atmosphere of low-temperature brown dwarf Wolf 1130C using James Webb Space Telescope. The abundance is comparable to that of Jupiter and Saturn, with a value of 0.100 parts per million.
Astronomers detected phosphine in the atmosphere of a cool, ancient brown dwarf named Wolf 1130C using the James Webb Space Telescope. The discovery challenges previous theories and suggests that phosphorus chemistry might be more complex than initially thought.
The Red Sea experienced a massive disruption 6.2 million years ago, completely changing its marine life and transforming into a barren salt desert. The catastrophic flood from the Indian Ocean rapidly refilled the basin, restoring normal marine conditions within less than 100,000 years.
A University of Helsinki study found that consuming more legumes and less red and processed meat can significantly reduce total and LDL cholesterol levels in men, leading to weight loss. The study also showed improved dietary iron intake and no negative impact on vitamin B12 or iodine levels.
Astronomers detected water ice and nitrogen in fragments torn apart from a Kuiper Belt analog, revealing the presence of volatile-rich material. The discovery sheds light on planet formation and the delivery of water to rocky planets.
Astronomers have discovered a frozen, water-rich planetary fragment being consumed by a white dwarf star outside our Solar System. The object is thought to be an icy planetesimal, possibly similar to Halley's Comet or Pluto, and has a high nitrogen abundance, making it a rare finding in the field.
A recent study by Leibniz Institute for Food Systems Biology at the Technical University of Munich shows that extremely dwarf wheat has a less favorable gluten composition than semi-dwarf or tall wild-type wheat. This can lead to poorer baking properties. Environmental conditions also play a significant role in shaping gluten composition.
Astronomers used Gemini South and James Webb Space Telescope to detect silane in ancient brown dwarf's atmosphere, revealing how primordial formation impacts planet atmospheres. The discovery confirms understanding of gas giant cloud formation and offers insight into the composition of distant worlds.
Astronomers discovered a greedy white dwarf star consuming its closest celestial companion at an unprecedented rate. The study found that the super-dense white dwarf is burning brightly due to the mass transfer between the two stars, potentially leading to a massive explosion visible from Earth.
A new study by Bournemouth University confirms that red squirrel populations across Europe are resilient to the effects of climate change, but highlights the need for conservation efforts to protect their habitat. The study found that temperature changes and low rainfall do not directly affect the survivability of red squirrels.
Dwarf Channel Island foxes (Urocyon littoralis) have larger brains than their mainland gray fox counterparts, contradicting the notion of island-specific evolutionary pressures leading to reduced brain size. This finding suggests little evidence of domestication in these isolated California islands.
Astronomers have identified an extremely rare hierarchical quadruple star system consisting of a pair of cold brown dwarfs orbiting two young red dwarf stars. The discovery provides a unique cosmic laboratory for studying these mysterious objects, which are too big to be considered planets but also lack the mass to be full-fledged stars.
A team of astrophysicists from the University of Bonn and Iran has reclassified Ursa Major III as a compact star cluster containing a black hole core. Simulations suggest that the object's high mass-to-light ratio can be explained by the presence of dark stars rather than dark matter.
Researchers studied similar spiral galaxies and found they 'dance' with closely located dwarf satellites, potentially revealing the formation and evolution of our galaxy's satellite system. The study aims to refine models of galaxy evolution and cosmic structure, offering new insights into our understanding of the universe.
Researchers have discovered a rare white dwarf remnant with a carbon signature, suggesting it formed from the merger of two stars. The high-mass white dwarf, WD 0525+526, has a thin atmosphere that allows carbon to reach its surface, providing insights into the early stages of stellar evolution.
A new study by Dartmouth astronomers has mapped 355 candidate satellite galaxies around dwarf galaxies, tripling the number previously surveyed. The researchers aim to understand how external conditions influence satellite formation and uncover insights into dark matter's nature.
A team from the Hebrew University of Jerusalem has developed a low-cost, non-invasive method to estimate total leaf area in dwarf tomato plants. The study applies structure-from-motion techniques and machine learning to predict plant growth with remarkable accuracy, making precision agriculture more accessible.
A new type of star-like object, called 'dark dwarfs', could help solve the universe's greatest mystery: dark matter. These objects are powered by dark matter and may be found at the center of our galaxy.
The Moon-Rice project is developing a super-dwarf rice variety that can thrive in microgravity and produce high yields, addressing nutritional deficiencies in space. Researchers are also exploring ways to enrich the protein content of the crop to support astronaut health.
Researchers have found visual evidence of a double detonation process in the remains of a star that exploded twice, providing new insights into the mechanism behind Type Ia supernovae. This discovery confirms a long-standing hypothesis and offers a tangible explanation for these cosmic events.
An international team of astronomers has found a giant planet, TOI-6894b, orbiting a tiny star, TOI-6894, which is smaller than expected to host such a massive planet. The discovery challenges the core accretion theory on planet formation.
A new study of diffuse dwarf galaxies has revealed an exceptionally strong clustering pattern, contradicting the established understanding of galaxy clustering. The researchers propose a new model of dark matter based on the Self-Interacting Dark Matter (SIDM) theory.
Researchers at Kobe University discovered that red algae use structural color to communicate with each other. The discovery was made in the European Journal of Phycology and suggests that these colors may serve as a warning signal to algae-eating fish.
A team of researchers from the University of Tokyo and Monash University developed a novel approach to quantify consciousness, specifically analyzing color similarity judgments. They found that color-neurotypical red is relationally equivalent to other color-neurotypical's red, but not to colorblind people's red.
A new study by the University of Oulu has directly observed the merger of star clusters in dwarf galaxies for the first time, shedding light on their formation. The observations confirm that compact star clusters form through the cannibalization of smaller globular clusters at the centers of these galaxies.
A new study proposes a third category of galaxies: red star-forming. These galaxies produce low-mass stars and may have played a significant role in the universe's history. The findings could change our understanding of galaxy evolution, star formation, and the life cycle of galaxies.
Warwick astronomers have discovered the first double white dwarf binary system, which will explode as a type 1a supernova in 23 billion years. The system is located 150 light-years away and consists of two compact white dwarfs with a combined mass of 1.56 times that of the Sun.
A study analyzing Klimt's The Kiss reveals that the painting's red discs represent vital biological functions and psychological intensity. The research also uncovers historical links between the artist and medical science, suggesting deliberate incorporation of menstrual blood as a central motif.