The team observed the nebula with two different spectrographs on large telescopes, finding that the central star is inflated and signatures of accretion are present. The data suggest a merging binary star system, offering a clear view of the central stellar remnant.
A study of ancient star orbits reveals unexpected patterns, contradicting previous assumptions about the Galaxy's metal-poor stars. The research, conducted by a team of astronomers, found that some of these stars orbit in previously unpredicted paths, similar to the Sun's path within the disk.
A team of Canadian astronomers detected an intense radio burst from a nearby magnetar, lending weight to the theory that magnetars are behind at least some fast radio bursts. The findings suggest that magnetars could be responsible for some FRBs, but further research is needed to confirm this.
A supermagnetized stellar remnant, magnetar SGR 1935+2154 produced a mix of X-ray and radio signals, including the first fast radio burst (FRB) observed from within our Milky Way galaxy. The event suggests that magnetars in other galaxies may produce similar signals.
Astronomers detect tiny free-floating planet with timescale of just 42 minutes, shedding light on turbulent past of young planetary systems. The discovery demonstrates that low-mass free-floating planets can be detected and characterized using ground-based telescopes.
For the first time, astronomers have surveyed over 250 million stars in the Milky Way's bulge, measuring their chemical composition and gaining new insights into the galaxy's formation. The data will help scientists understand how the Milky Way formed its central bulge and gain a better understanding of other galaxies.
Researchers at Rensselaer Polytechnic Institute have discovered the first shell-like formations of stars in the Milky Way, created by a 2.7 billion-year-old broadside collision with a dwarf galaxy. The findings offer new insights into the ancient event and its potential implications for other stellar phenomena.
The Milky Way's circumgalactic medium (CGM) has a disk-like geometry, with denser areas where stars are forming and material is being traded between the galaxy and the CGM. The discovery provides insight into the galaxy's formation and evolution, as well as its interaction with the surrounding universe.
Researchers used a well-known optical illusion to isolate key clusters of neurons in zebrafish, finding only a dozen or so neurons required for motion perception. The study aims to understand how these neurons are wired within the neural circuit and their connections with visual input.
Astronomers find galaxy Dragonfly 44 has normal amount of dark matter, contrary to earlier claims. The team discovered only 20 globular clusters, reducing the amount of dark matter, and confirming that the galaxy is not unique or anomalous.
Astronomers used the VLBA to measure the distance to magnetar XTE J1810-197, one of the closest known at about 8100 light-years. This precise measurement can help determine if magnetars generate Fast Radio Bursts, a long-mysterious phenomenon.
Astronomers have discovered a halo of warm gas surrounding the Magellanic Clouds, which explains the formation of the massive stream of gas in the Milky Way. The new model explains how the stream adopted its filamentous shape and why it lacks stars.
Researchers have eliminated dark matter candidates as the origin of excess gamma rays detected in the Milky Way's galaxy center through extensive modeling exercises. The study puts strongest constraints yet on dark matter properties, ruling out weakly interacting massive particles up to very high-mass particles.
A new study resolves the Galactic bar paradox by proposing that the central region of the Milky Way is connected to the spiral arm in a 'cosmic dance', causing contradictory estimates of motion. The bar's size and rotational speed fluctuate rapidly, making it appear larger and slower at certain times.
Researchers have discovered a dense, cold gas ejected from the centre of the Milky Way, which could impact star formation and galaxy stability. The finding raises new questions about what's happening in the galactic centre, particularly with regards to the massive black hole at its heart.
Astronomers using ALMA have discovered the most distant Milky Way look-alike galaxy, SPT0418-47, which is surprisingly unchaotic and appears as a ring of light in the sky. The discovery challenges our understanding of how galaxies form and gives new insights into the past of the Universe.
A team of astronomers discovered a stellar stream composed of the remnants of an ancient globular cluster torn apart by the Milky Way's gravity 2 billion years ago. The Phoenix Stream is distinct from other globular clusters and suggests that there may be no minimum abundance of heavier elements required for their formation.
Astronomers have found a strange dismembered star cluster at the galaxy's edge, with lower quantities of heavier elements than other globular clusters. The discovery poses significant problems for current ideas on globular cluster origins.
Researchers found that some desert mosses in the Mojave Desert grow under translucent quartz pebbles, using them as natural sunshades to retain moisture and reduce heat. This unique adaptation allows these mosses to thrive in extremely dry conditions.
Researchers analyzed the magnetic field of Milky Way-like galaxy NGC 4217 and discovered unique structures such as X-shaped fields, helices, superbubbles, and giant loops. These findings suggest a connection between star formation and supernovae explosions in shaping the galaxy's magnetic field.
Researchers use VLA radio telescope to image galaxy NGC 4217's magnetic field, extending far beyond the galaxy's disk. The dynamo theory suggests that this massive magnetic field is generated by plasma motion within the galaxy's disk.
A team of scientists from the University of Warwick has discovered a white dwarf star that survived a partial thermonuclear supernova explosion. The star, SDSS J1240+6710, is traveling at an incredible velocity of 900,000 km/h and has a low mass consistent with the loss of mass during the explosion.
Researchers from Caltech and institutions like Northwestern University used deep learning and supercomputing to identify Nyx, a product of a long-ago galaxy merger. The discovery provides the first indication that a dwarf galaxy merged with the Milky Way disk.
Researchers measured gas motions throughout the Milky Way and a nearby galaxy, finding that cold molecular gas motions appear to fluctuate in velocity, reminiscent of ocean waves. The team discovered that equidistantly spaced structure shows distinctive pattern, with periodic spacing likely resulting from gravitational instability.
A new study published in Nature Astronomy sheds light on the origin of carbon in the Milky Way, revealing that dying stars play a crucial role in its synthesis. The research team found that low-mass stars shed more massive remnants than previously thought, breaking a linear trend in star formation and planetary evolution.
A new study reveals that low-mass stars become white dwarfs, producing carbon essential for life, challenging previous theories. The findings place a minimum mass threshold of 1.5 solar masses for star-induced carbon enrichment.
A team of researchers has discovered a 'scientific red flag' in the center of the Milky Way, revealing new clues about the fundamental source of its power. The study uses optical light to analyze ionized gas, finding that at least 48% of hydrogen gas is ionized by an unknown source.
Researchers estimate that there may be as many as one Earth-like planet for every five Sun-like stars in the Milky Way Galaxy. This number could lead to new insights into planet formation and evolution theories, optimizing future exoplanet missions.
The study, published in The Astrophysical Journal, found that there are more stars like the Sun than expected in these groups, increasing the chances of finding Earth-like planets. These 'magma ocean planets' are easier to detect near stars like the Sun and emit heat that can be observed with next-generation infrared telescopes.
Astronomers have measured the Fermi Bubbles, two enormous outflows of high-energy gas emanating from the Milky Way, using the Wisconsin H-Alpha Mapper telescope. The findings refine our understanding of these mysterious blobs and provide new opportunities to study the galaxy's central region.
Researchers at Ohio State University found that the halo surrounding the Milky Way galaxy is much hotter than initially thought, with temperatures reaching up to 10 million degrees Kelvin. This new discovery could help astronomers understand how galaxies form and grow, as well as the elements that contribute to these halos.
Researchers at Radboud University and Uppsala University have discovered a new type of magnetic behavior in neodymium, where atomic spins form patterns that whirl like a helix but constantly change. This phenomenon, known as a self-induced spin glass, could pave the way for new materials for artificial intelligence.
Astronomers have captured an image of a super-rare type of galaxy with a 'ring of fire' structure, existing 11 billion years ago. This discovery is expected to shake up theories about the earliest formation of galactic structures and how they evolve.
Astronomers have created the most detailed evolutionary history of the Milky Way up to now, combining apparent luminosity with measured distance and accurate star models. The study reveals well-defined periods of great activity in star formation, including dramatic episodes that stimulated new star creation.
Astronomers using ALMA have spotted quasi-periodic flickers in millimeter-waves from the center of the Milky Way, suggesting a rotating radio spot circling a supermassive black hole. The findings provide insight into space-time with extreme gravity and may shed light on the behavior of gas around the black hole.
Astronomers used ALMA to discover a massive rotating disk galaxy, DLA0817g, which challenges traditional models of galaxy formation. The galaxy formed primarily through the steady accretion of cold gas, indicating alternative growth processes dominated over violent mergers.
A new study by University of Arkansas astrophysicist Daniel Whitmire contradicts a previous theory that giant elliptical galaxies are more likely to host technological civilizations. The study suggests that galaxies like the Milky Way, where most stars and planets reside, are more likely to harbor intelligent life.
The Hubble Space Telescope has unveiled a breathtaking portrait of a firestorm of starbirth in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. This iconic image, nicknamed the 'Cosmic Reef,' showcases the telescope's enduring legacy and transformative impact on modern astronomy.
Researchers have discovered the first pulsar in Globular Cluster M92 using FAST telescope. The pulsar, PSR J1717+4307A, is an eclipsing binary millisecond pulsar in a circular orbit with a companion star. This discovery provides insights into pulsars and their role in probing dense stellar cores.
Researchers used satellite galaxies Draco and Fornax to test the self-interacting dark matter (SIDM) model, which explains diverse dark matter distributions. SIDM produces novel signatures in subhalos that differ from the prevailing Cold Dark Matter theory.
Researchers have found a connection between the size and structure of galaxies and dark matter halos, using observations of faint galaxies around the Milky Way. They also discovered more evidence for the existence of Large Magellanic Cloud satellite galaxies, predicting an additional 150 or more very faint satellites awaiting discovery.
A new study from the University of Michigan and Lawrence Berkeley National Laboratory has found no evidence that sterile neutrinos are dark matter. The research team used archival data from the XMM-Newton space X-ray telescope to search for signs of dark matter in the Milky Way galaxy, but their analysis yielded no results.
Researchers used XMM-Newton space telescope data to search for a 3.5 keV X-ray emission line, a predicted signature of dark matter decay. No evidence was found, ruling out the signal strength by over an order of magnitude and challenging previous interpretations.
Astronomers have discovered a one-sided pulsator in the Milky Way, with citizen scientists providing crucial clues. The star's unusual single-sided pulsation is caused by its location in a binary star system with a red dwarf companion.
A team of scientists using the Low Frequency Array (LOFAR) radio telescope has detected radio waves from exoplanets interacting with their star's magnetic field, which can heat and erode a planet's atmosphere. The discovery paves the way for novel ways to probe exoplanet environments and determine habitability.
The Breakthrough Listen Initiative has released nearly 2 petabytes of data from the most comprehensive survey yet of radio emissions from the Milky Way Galaxy and its central black hole. A new analysis of nearby stars that could see Earth transiting the sun was conducted, but no technosignatures were found.
Researchers found over a dozen massive black holes in dwarf galaxies that were previously thought too small to host them. The study revealed that most black holes were located at the outskirts of galaxies rather than centers.
Astronomers have discovered a new class of bizarre objects at the center of the Milky Way galaxy, which resemble gas and behave like stars. The objects are thought to be binary stars that merged due to the strong gravitational force of the supermassive black hole, with four additional objects found in the same orbit.
A team of researchers used a single star affected by the Milky Way-Gaia-Enceladus collision to determine its age and date the event to approximately 11.5 billion years ago. The study provides insights into the impact of galaxy collisions on their evolution.
Astronomers have pinpointed an early galactic merger that helped shape the Milky Way, occurring 11.5 billion years ago when Gaia-Enceladus slammed into what then existed of the galaxy. This discovery provides important insights into the accretion process that formed the Milky Way.
A team of scientists has used data from the TESS satellite and ground-based telescopes to determine an ancient collision between our galaxy and Gaia-Enceladus occurred early in its history. The study reveals new insights into the history of the Milky Way, providing a timeline for the collision.
Astronomers have cataloged signs of 9 heavy metals in supergiant and giant stars, allowing researchers to study the chemical composition and evolution of galaxies. By analyzing these elements, scientists can reconstruct the history of galaxies, including events like binary neutron star mergers that affected the Milky Way.
LSU astronomers predict that binary star V Sagittae will become the brightest in the Milky Way galaxy, outshining Sirius and Venus, around 2083. The star is currently faintly visible but will brighten rapidly due to its rapid orbital decay.
Astronomers at Harvard University have discovered a giant, wave-shaped gaseous structure made up of interconnected stellar nurseries in the Milky Way galaxy. The 'Radcliffe wave' stretches over trillions of miles and challenges traditional views of nearby stellar nurseries as an expanding ring.
Astronomers have discovered a flock of young stars on the outskirts of the Milky Way, suggesting that material from nearby dwarf galaxies, the Magellanic Clouds, is forming new stars. The discovery implies that a stream of gas extending from the galaxies is closer to crashing into the Milky Way than previously thought.
Astronomers have localized a repeating fast radio burst (FRB) to a region approximately seven light years across in the Milky-Way-like galaxy, making it one of the closest yet seen. This discovery enables more detailed study and may help narrow down possible explanations for FRBs.
The gigantic spiral galaxy UGC 2885 is 2.5 times wider than the Milky Way and contains 10 times as many stars, with modest ongoing star birth at half the rate of our galaxy.
Thirteen massive black holes have been discovered in dwarf galaxies less than a billion light-years from Earth, with an average mass of 400,000 times that of the Sun. These findings suggest that half of these massive black holes are wandering in the outskirts of their galaxies, indicating galaxy mergers earlier in their history.
Astronomers using the GMRT have discovered a massive ring of hydrogen gas surrounding a galaxy, with a diameter of 380,000 light-years. The origin and formation mechanism of such rings remain unknown, despite previous thought that they are associated with galaxy-galaxy collisions.
The Goddard-IRAM Superconducting 2-Millimeter Observer (GISMO) instrument has mapped the inner Milky Way, revealing a feature resembling a cosmic 'candy cane' with two prominent radio filaments. The image showcases the galaxy's central zone, highlighting areas of star formation and high-speed electron spirals.