Researchers observed a strongly magnetized accreting X-ray pulsar using the Karl G. Jansky Very Large Array and NASA's Swift space telescope. The discovery reveals a new class of jet-producing sources, contradicting previous expectations about strong magnetic fields.
Astronomers detected a fast-moving jet from a neutron star with a strong magnetic field, challenging the long-held idea that magnetic fields prevent jets from forming. The discovery was made using the VLA, which revealed radio waves produced by the jet, characteristic of other jet-producing systems.
Researchers detected extended infrared emissions around RX J0806.4-4123, suggesting a 'fallback disk' of material or a pulsar wind nebula. The findings challenge current understanding of neutron star evolution and offer new avenues for study with the NASA James Webb Space Telescope.
Astronomers have found a dense disk of material surrounding a young star, which may be the precursor to a planetary system. The discovery could revolutionize models of solar system formation and provide insights into our own cosmic neighborhood.
A team of scientists has discovered a unique planetary nebula with an inverted ionization structure surrounding a central star undergoing a 'born-again' process, which is expected to occur in the Sun's future evolution. This finding provides valuable insights into the late-stage evolution of stars like our Sun.
The discovery reveals hundreds of individual galaxies in the cluster, which surrounds an extremely active supermassive black hole at the center. The quasar's light has obscured these galaxies, making them invisible to astronomers.
Researchers observe light echoes from Eta Carinae and its surroundings to decode the extent of a historic stellar blast. The team determines that the star released almost as much energy as a typical supernova explosion, but a double-star system remained intact.
Researchers have determined the detailed chemical abundances of Ross 128, a red dwarf star that hosts an exoplanet similar to our Solar System's Jupiter. This helps estimate the makeup of Ross 128 b, indicating it should be rocky with a temperate climate.
A study published in Microbiome found that maternal diet during pregnancy can influence the infant gut microbiome, with varying effects depending on delivery mode. Vaginal delivery was associated with a higher abundance of Bifidobacterium and Enterobactericeae, while caesarean section was linked to increased Streptococcus and Clostridium.
A research team led by astronomers at the University of Warwick observed a jet of material streaming out from a merged star, confirming a key prediction about the aftermath of neutron star mergers. The observations were made using the Hubble Space Telescope and reveal that every neutron star merger likely creates a gamma-ray burst.
A team of astrophysicists propose a new model for the formation of globular clusters and supermassive stars. They suggest that a runaway collision process between densely packed stars in globular clusters could form a supermassive star, explaining the unusual chemical elements found in these clusters.
An international team of astronomers detected molecules on an exoplanet, allowing it to be visualized. The technique reveals the planet's surface composition and temperature, providing new insights into planetary atmospheres. Future spectrographs will enhance this method, enabling more accurate characterization of planets.
Using ALMA, two teams of astronomers have confirmed the presence of three infant planets around a young star, HD 163296. The planets are located at distances of approximately 12 billion and 21 billion kilometers from the star, and were identified using a novel technique that analyzes gas flow patterns within a protoplanetary disc.
Two independent teams of astronomers identified three young planets in orbit around an infant star, using a new technique that analyzed anomalies in gas flow. The planets are similar in mass to Jupiter and are thought to be among the youngest in our galaxy.
The Hubble Space Telescope has discovered the most distant star ever observed, Icarus, located 9 billion lightyears away. The star's brightness was amplified by gravitational lensing, allowing its detection.
A team of astronomers has performed one of the highest resolution observations in astronomical history of a pulsar 6,500 light-years away, observing two intense regions of radiation around a rapidly spinning star. The observation could provide clues to the nature of Fast Radio Bursts, which may be amplified by plasma lenses.
A team of researchers detected two distinct sequences of blue straggler stars in a young globular cluster, NGC 2173, using the Hubble Space Telescope. This finding challenges the generality of explanations for similar blue straggler sequences and presents unexpected observational results.
Researchers challenged the existing understanding of star formation by observing a distant molecular cloud, W43-MM1, with ALMA. Contrary to previous findings, they discovered an overabundance of massive cores and underrepresentation of less massive cores.
A study using ALMA found a surprising distribution of star-forming cores, with fewer massive stars and more solar-mass stars than expected. This discovery may require reevaluation of the relationship between core mass and star mass.
Astronomers have observed a colossal cluster of galaxies for the first time, containing at least 14 galaxies packed into an area four times the diameter of the Milky Way's galactic disk. The cluster is churning out stars at an incredible pace, with rates ranging from 50 to 1,000 times higher than expected for solitary galaxies.
Astronomers have observed a gargantuan cosmic collision of 14 young galaxies, poised to merge and form a colossal galaxy cluster. This protocluster is located 12.4 billion light-years away, offering an unprecedented opportunity to study the early stages of cluster formation.
The James Webb Space Telescope has the potential to observe the first stars in the universe, which formed about 200-400 million years after the Big Bang. The telescope can capture light from single stars with a massive amount of gravitational lensing, amplifying it up to 10,000 times.
Historian Prof. Dr Gerd Althoff argues that peace agreements have historically been successful when opponents establish genuine trust, rather than relying solely on confidence-building measures. This approach emphasizes forgiveness, mutual visits, and friendly conversation to create a foundation for long-term peace.
The Hubble Space Telescope has imaged a massive galaxy cluster, revealing its intricate structure and the presence of dark matter. The cluster is comprised of thousands of galaxies held together by gravity, with most of its mass existing in non-luminous dark matter.
A study reveals that neutron star magnetic hot spots can survive for millions of years despite the overall magnetic field decay. The simulations show strong electric currents producing heat, explaining the strange behavior of magnetars like SGR 0418+5729.
Astronomers have captured the most distant normal star ever observed, 9 billion light years away, using gravitational lensing. The blue supergiant was magnified over 2,000 times and is hundreds of thousands of times brighter than our Sun.
Astronomers have discovered the most distant star ever observed, existing only 4.4 billion years after the Big Bang, using gravitational lensing with the Hubble Space Telescope. The light from the star was magnified 2000 times, allowing for its detection.
Researchers have discovered the farthest individual star ever seen, Icarus, 9 billion light years away, by magnifying its brightness with the gravity of a larger object. This breakthrough study uses gravitational lensing to exclude the possibility that dark matter is made up mostly of large black holes.
Astronomers using the Hubble Space Telescope have discovered a blue supergiant star called Icarus, which is the farthest individual star observed. The team used gravitational lensing to magnify the star's light, revealing its true nature and providing insights into dark matter theory.
Researchers analyzed sea star populations along the US west coast and found severe declines in southern California and the Channel Islands. Juvenile sea star mortality increased by approximately 90 percent, while ochre sea stars are a keystone species crucial to intertidal ecosystems.
New research confirms that 'Oumuamua, the first confirmed interstellar asteroid, originated from a binary star system. The study found that rocky objects like 'Oumuamua are far more likely to come from binary systems than single star systems.
An amateur astronomer in Argentina captured the rare first optical light from a massive exploding star, providing valuable insights into the supernova explosion and the star's physical structure. The discovery was made using a new camera and allowed scientists to determine the type of star that exploded and the nature of the explosion.
Researchers at CU Boulder discovered a mechanism explaining the persistence of asymmetrical stellar clusters surrounding supermassive black holes. This rate suggests that in post-galactic merger periods, orbiting stars could be flung into the black hole and destroyed at a rate of one per year.
A comprehensive review of 30 years' worth of research concludes that lone star ticks do not transmit the bacteria that cause Lyme disease, but can transmit other human illnesses such as ehrlichiosis and red meat allergy. The evidence, based on over 60 published articles, shows that lone star tick saliva is a barrier against Lyme bacteria.
New observations of Tabby's Star by the Canary Island Observatories suggest that interstellar dust is causing the star's unusual brightness fluctuations, rather than an alien megastructure. The data, published in two articles, show that different colors in the star's light are being attenuated at varying rates.
Researchers have produced the first detailed images of a giant star outside our solar system, showcasing a nearly circular atmosphere with complex convection cells. The study confirms theories about the characteristics of these stars, providing insight into their future activity and appearance.
Astronomers have discovered a star behaving strangely, orbiting an invisible black hole with four times the mass of the Sun. The finding reveals a dense nucleus within globular clusters, challenging previous theories on stellar-mass black holes.
A team from Aarhus University has discovered a star with similar characteristics to the Sun, allowing for the observation of its 7.4-year cycle. The star's heavy elements led to stronger magnetic field variability and surface rotation patterns. This study could help understand how the Sun affects our climate.
A team of researchers found that the star's light appears to dim and brighten due to different amounts of dust blocking various wavelengths of light. The study rules out alien megastructures as a cause, but raises the possibility of other phenomena being behind the dimming.
Researchers from Louisiana State University have collected new data on KIC 8462852, also known as Tabby's Star, which has been dimming and brightening sporadically. The study suggests that dust is likely the cause of these changes, blocking different colors of light at varying intensities.
A new study published in Nature shows that the mass of a galaxy's central black hole determines when its star formation history stops. The study found a continuous interplay between black hole activity and star formation throughout a galaxy's life, with bigger black holes quenching star formation faster.
A team of astronomers discovered massive clouds of gas and dust orbiting the star RZ Piscium, which could have formed from destroyed planets. The star's unusual dimming episodes suggest it is a young Sun-like star with a debris disk.
Astronomer Catherine Pilachowski discovers star RZ Piscium is slowly consuming its planetary offspring, shedding light on a brief but volatile period in solar system history. The study provides insight into the evolution of planetary systems and why some young solar systems survive while others don't.
Astronomers have imaged the surface of a red giant star, π1 Gruis, in unprecedented detail. The star's photosphere features just a few convective cells, or granules, which are much larger than those on our Sun.
Researchers at UNIGE detected an exoplanet with a highly inclined orbit around a red dwarf star, evading circular motion and instead following a polar path. This unusual behavior is attributed to the presence of an unknown companion planet that disturbs its path.
Researchers found a strong inverse relation between magnetic field strength and star formation rate in molecular cloud complexes. This suggests that magnetic fields slow down or stop the collapse of gas clouds to form stars, leading to fewer massive stars in galaxy centers.
The Hitomi mission has provided unprecedented insights into the chemical composition of hot gas in the Perseus galaxy cluster. Scientists have found that the proportions of iron-peak elements are nearly identical to those seen in our solar system, suggesting a similar chemical evolution process.
An international team of astronomers discovered a star that exploded multiple times over 50 years, challenging existing theories on cosmic catastrophes. The star, iPTF14hls, was found to be at least 50 times more massive than the sun and may be the first example of a rare 'Pulsational Pair Instability Supernova'.
An international team of astronomers, including Carnegie's Nick Konidaris, discovered a 'zombie star' that exploded multiple times over 50 years. The finding challenges existing knowledge of a star's end of life and was made possible by Konidaris' instrument-construction, which helped analyze the phenomenon.
A team of astronomers observed the surface of a red giant star, similar to the Sun, using ALMA. The research revealed powerful shock waves and unexpected heat in its atmosphere, challenging current theoretical models.
The ALMA discovery reveals two dust belts surrounding Proxima Centauri, one extending four hundred million kilometres from the star and another even farther out. These findings suggest a complex planetary system with multiple planets and potentially offer insights into the formation of the Earth.
NGTS-1b, the largest planet compared to its companion star, has been discovered by an international collaboration of astronomers. The giant gas giant orbits a small star half the size of our Sun and challenges theories on planet formation.
A giant gas giant planet, NGTS-1b, has been discovered orbiting a tiny star, defying conventional formation theories. The planet's proximity to its star and short orbital period pose significant challenges for understanding the origins of such massive worlds.
A citizen scientist has discovered a comet's tail streaking past a distant star using data from the Kepler Space Telescope. The discovery marks the first time an object as small as a comet has been inferred by observing dips in a star's light.
Astronomers analyzed 10 galaxy clusters using Hubble data and found their brightest cluster galaxies wobble around the center of mass, inconsistent with current dark matter models. This result may indicate new physics is at work, requiring a reevaluation of fundamental physics to solve the mystery of dark matter.
Recent study finds that galaxy clusters' density is smaller than predicted, and brightest cluster galaxies wobble, indicating a shallower central density. This suggests the existence of exotic forms of dark matter.
Researchers found that spots on the surface of Zeta Puppis, a supergiant star, create large-scale spiral structures in its stellar wind. The team observed periodic signals in the star's light and wind behavior, indicating a link between surface variations and wind clumping.
Astronomers have observed a neutron star merger, detecting gravitational waves and gamma-ray signatures. Computer simulations suggest that the merger produces heavy elements, which are then dispersed into space, potentially seeding the universe with gold, platinum, and other rare elements.
A team of researchers found evidence that a Type Ia supernova explosion was triggered by a violent helium detonation on the surface of a white dwarf star. The study used the Hyper Suprime-Cam camera on the Subaru Telescope to discover and analyze a recent supernova, providing the first solid evidence supporting this theory.
Researchers at Niels Bohr Institute used computer simulations to study the influence of local environmental conditions on star formation. Their findings suggest that factors such as magnetic fields and turbulence play a crucial role in shaping the star formation process.