Astronomers report the discovery of S0-102, a star with an extremely short orbit near the supermassive black hole at the Milky Way's galactic center. The study aims to test Einstein's theory of general relativity and reveal the fabric of space and time around a black hole.
Researchers have observed glycolaldehyde molecules, a simple form of sugar, in the gas surrounding a young star. This discovery suggests that the building blocks of life were already present during planet formation. The finding was made using the Atacama Large Millimeter Array (ALMA) telescope and provides insights into the possibility...
Astronomers have discovered the first multi-planet system orbiting a binary star, characterized by the University of Texas at Austin's McDonald Observatory. The system, Kepler-47, features an outer planet within the habitable zone, where liquid water could exist.
Astronomers have discovered evidence of a planet's destruction by its aging star, BD+48 740. The star's peculiar chemical composition and highly unusual elliptical orbit suggest that it consumed a massive planet, leaving behind a surviving massive planet with an eccentric orbit.
Astronomers have discovered an extraordinary amount of dust around a nearby star that has mysteriously disappeared. The dusty disc was bigger and more massive than Saturn's rings and would have extended from the sun halfway out to Earth if it were in our solar system.
Astronomers have observed a young star, V1647 Orionis, exhibiting intense X-ray activity in the McNeil's Nebula, driven by strong magnetic fields. The star's rapid rotation is also evident in its X-ray emission patterns.
Researchers suggest mirror particles could be responsible for the missing mass of the universe due to an anomaly in neutron behavior. The loss rate of slow neutrons appears to depend on magnetic field strength, which could indicate a parallel world with invisible mirror twins.
Astronomers at Queen's University Belfast have gathered direct evidence of a supermassive black hole shredding a star that wandered too close. The discovery provides insights into the harsh environment around black holes and the types of stars swirling around them.
Astronomers have gathered direct evidence of a supermassive black hole ripping apart a star that strayed too close. The team identified the victim as a helium-rich star in a galaxy 2.7 billion light-years away, providing insights into the harsh environment around black holes.
A team of astronomers led by Suvi Gezari has identified a star rich in helium gas that was ripped apart by the gravitational forces of a supermassive black hole. The star's remains were seen falling into the black hole, while the rest was ejected at high speeds, providing insights into the harsh environment around black holes.
Researchers created a new configuration for neutron generators using flat geometry inspired by computer chips. The technology enables tiny medical neutron sources for cancer treatment and has potential applications in sensors and non-proliferation.
Researchers used advanced technology to observe dying stars, revealing winds of gas and dust. The discovery solves the long-standing puzzle of stellar superwinds.
Researchers used neutron scattering to observe zero-sound oscillations in a fermion liquid, which could be a mechanism for high-temperature superconductivity. The discovery reveals new density waves with atomic wavelength in the helium fluid, differing from previous findings in bulk liquids.
Astronomers have observed a unique neutron star system, T5X2, exhibiting marginally stable nuclear fusion at high accretion rates. The RXTE data resolves a long-standing gap between theoretical predictions and observational evidence, shedding light on the complex processes governing thermonuclear explosions.
Researchers use pulsars to test General Relativity in extremely strong gravity and directly detect gravitational waves. Pulsar timing arrays may reveal evidence for cosmic strings and the early Universe.
McMaster University's Christine Wilson presents findings on galaxy Arp 220's dazzling rate of star formation, which is 200 times faster than our own Milky Way. The star forming core of Arp 220 is only about 3,000 light years across.
A team of scientists has detected a potentially habitable super-Earth orbiting a nearby M-class dwarf star called GJ 667C. The planet receives 90% of the light that Earth receives and is expected to absorb similar amounts of energy, which could lead to surface temperatures similar to those on Earth.
Researchers used neutron scattering to study molecular motion in a silica nanopore, gaining insight into how surface interactions affect chemistry. Understanding these interactions can help tailor materials for specific outcomes, such as catalysis and drug delivery.
A study published in the International Journal of Research in Marketing found that a combination of personal performance, team records, market demand, and teammate quality contribute to an athlete's star status. The research also highlights the importance of playing for a winning team and leveraging popular teammates.
A team of astrophysicists discovered a ring system in the constellation Centaurus that is similar to Saturn's. The system consists of four thin rings of dust debris, with each ring having a mass similar to Earth's moon, and orbits tens of millions of kilometers from the central star.
Astronomers at Vanderbilt University and Caltech discovered three smallest planets yet orbiting a distant star, KOI-961, connected to Barnard's star. The planets range in size from Mars to three-quarters the size of Earth, with short orbits making liquid water impossible.
Researchers at NIST have developed a new device that can perform neutron interferometry in a much smaller space, increasing its sensitivity and speed. This innovation could enable the technique to be used in industries such as materials science and manufacturing.
Astronomers have discovered two Earth-sized planets, KOI 55.01 and KOI 55.02, that survived the red-giant expansion of their host star, KIC 05807616. The planets are extremely close to their host star and experience harsh temperatures up to 16,000 degrees Fahrenheit.
Researchers have discovered two planets that survived being engulfed by their parent star, shedding new light on stellar and planetary systems. The discovery may also offer insights into the possible future of our own solar system.
Researchers have discovered two planets of sizes comparable to Earth orbiting an old star that has just passed the red giant stage. The planets, named KOI 55.01 and KOI 55.02, are thought to be the dense cores of ancient giant planets whose gaseous envelopes were vaporized during the immersion phase.
The University of Missouri has received a $3 million grant from the National Science Foundation to train scientists in neutron scattering techniques. The program will focus on three areas of research and provide hands-on training at the university's Research Reactor facility.
A team of scientists has discovered the fastest-rotating massive star ever recorded, with a rotational velocity of 600 kilometers per second. The star, VFTS 102, is extremely hot and luminous, having been ejected from a double star system by its exploding companion star.
A team of researchers has discovered a large, rocky planet with a surface temperature comparable to a comfortable spring day on Earth. The planet orbits in the middle of its star's habitable zone, where liquid water is expected to exist.
A neutron star spiraling into its companion star caused a unique gamma-ray burst with varying wavelengths and characteristic radii. The Helium Merger Model, developed in 1998, explained the unusual properties of the burst, which may be part of a new class of bursts.
Researchers studying a binary star system in the Whirlpool Galaxy have detected a star dimming noticeably before its companion exploded in a supernova. The study provides evidence that certain patterns of brightening and dimming may signal an impending doom for stars, making it possible to predict when a star is near death.
Astronomers propose two exotic scenarios for the unusual cosmic explosion: a novel supernova billions of light-years away or an unusual collision within our own galaxy. The 'Christmas burst' was caused by either event, with observations suggesting a neutron star and rapid tightening of its orbit.
Astronomers found two distinct populations of neutron stars, suggesting different supernova channels. The findings shed light on stellar evolution and open new research areas.
NICER will measure X-rays from hotspots on a neutron star's surface and its magnetic field, revealing the star's size and helping researchers determine an Equation Of State. This will unlock the secret of matter under extreme gravity in these incredibly dense objects.
A team of scientists using NASA's Fermi Gamma-ray Space Telescope has discovered a young millisecond pulsar named PSR J1823−3021A, challenging existing theories about its formation. The discovery pushes the total count of detected pulsars to over 100, with NGC 6624 globular cluster contributing significantly.
Scientists have found the first gamma-ray pulsar in a globular cluster, J1823-3021A, which is also the youngest millisecond pulsar discovered to date. Its high luminosity and strong magnetic field challenge current theories on its formation.
The Crab pulsar generates beams of radiation from its spinning magnetic field, detected as rapid pulses of gamma-ray radiation. Researchers have detected these pulses with unprecedented energies, exceeding 100 billion electron-volts, putting new constraints on the mechanism for how this emission is generated.
The study reveals three distinct classes of protein motion: localized diffusion, methyl group rotations, and jumps. These motions are crucial for understanding protein functions critical to life, enabling scientists to design new biofuels and environmental remediation technologies.
Astronomers have discovered a planet that orbits around a pair of stars, providing direct evidence for the existence of circumbinary planets. The discovery was made using data from the NASA Kepler space telescope and confirms long-speculated theories about these systems.
A team of astronomers using NASA's Fermi Gamma-ray Space Telescope observed a unique binary system that produced dual gamma-ray flares during its closest approach. The flares were many times stronger than expected and occurred despite the star following an eccentric orbit, making them only visible every 3.4 years.
The German Federal Ministry of Health has awarded funding for efficient production of cancer diagnostic agent technetium-99m at FRM II in Garching. The goal is to increase specific activity and improve packaging processes.
The discovery of blue stragglers in the Milky Way's hub suggests that the galaxy stopped making stars billions of years ago. The findings provide new constraints for models of the star-formation history of the bulge.
Researchers have found a method to measure a star's true age using its spin. Astronomer Soren Meibom presented his findings in a press conference, nearly doubling the age covered by previous studies of younger clusters. The technique involves measuring stellar rotation rates for stars in clusters with known ages.
Astronomers have discovered a local supernova factory in the Carina Nebula, which may help understand how young stars release newly-forged elements into their surroundings. The Chandra X-ray Observatory detected over 14,000 stars, six possible neutron stars, and a new population of young massive stars.
The Hubble Space Telescope has observed the historic variable star V1, which helped confirm the size of the universe and its expansion. The observations, conducted in collaboration with amateur astronomers, provide new insights into the properties of Cepheid variables and their role in measuring distances to galaxies.
The STAR experiment has produced 18 examples of the nucleus of antihelium-4, making it the heaviest antiparticle ever detected. The discovery sheds light on the universe's matter-antimatter imbalance and could lead to breakthroughs in searching for antimatter in space.
The Kepler spacecraft provides clear views of changes in star brightness, allowing astronomers to probe a star's core and determine its density and chemistry. The mission helps understand the life cycle of red giant stars, including whether they burn hydrogen or helium in the core.
Researchers found a superfluid in the neutron star's core that could defy gravity and a superconductor that can sustain electricity forever. This discovery provides insight into the life cycles of stars and behavior at high densities.
Researchers have found direct evidence of a superfluid state at the core of a neutron star using NASA's Chandra X-ray Observatory data. This discovery has important implications for understanding nuclear interactions in matter at high densities.
Neutron analysis reveals that magnetic interactions responsible for high-temperature superconductivity occur in a next-nearest-neighbor ordering of atoms, not just adjacent ones. This discovery suggests that superconductivity shares a common magnetic origin among different materials.
The German Federal Ministry of Education and Research has invested 198 million euros over ten years to support scientific use of the Heinz Maier-Leibnitz neutron source. This funding will enable researchers to build new instruments, upgrade existing ones, and hire additional staff.
A new study analyzing four extremely bright gamma-ray bursts observed by NASA's Fermi satellite suggests that these events are likely powered by black holes rather than neutron stars. The analysis found that the remnant of a long-duration burst is most likely a black hole, as it cannot produce enough energy to power a magnetar.
Astronomers have discovered a neutron star with twice the mass of our Sun, ruling out certain theoretical models for its internal composition. The discovery has significant implications for astrophysics, nuclear physics, and our understanding of matter at extreme densities.
Researchers create model of M33 X-7's evolutionary history and formation to explain its observational characteristics. The model sheds light on massive star evolution and black hole formation physics.
New work by astrophysicist David Kipping reveals that astronomers can calculate a star's mass using its orbiting planet and moon. By measuring the size of the planet and moon relative to the star and their orbital periods, scientists can use Kepler's Laws of Motion to determine the density of the star.
A team of astrophysicists has observed dramatic flares and bursts of energy from a weakly magnetized, slowly rotating pulsar, challenging the understanding of how these events occur in normal, low-field neutron stars. The discovery indicates that internal magnetic fields may be responsible for powering these phenomena.
Astronomers have found evidence for stellar cannibalism in the star BP Piscium, which appears to be an old red giant. The discovery suggests that stars like our Sun may engulf companion stars or planets as they age.
Astronomer Joel Kastner finds evidence that a variable star in the Pisces constellation is a one billion-year-old red giant that has swallowed a companion star, forming an orbiting disk that may contain second-generation planets. The star's extreme properties and X-ray production rate point to its advanced age.
Astronomers discovered a cloud of hot water vapor around the old star IRC+10216 and suspected comets or dwarf planets were evaporating to produce it. However, Herschel's instruments revealed that ultraviolet light from surrounding stars is the actual source of the water, which forms closer to the star than comets can stably exist.
Scientists have discovered a magnetic cycle in a distant star using stellar seismology, finding a pattern similar to the Sun's solar cycle. The study aims to better understand how magnetic activity cycles differ from star to star and its impact on potential planets.
The Low Energy Neutron Source at Indiana University Bloomington has received a $5 million grant from the National Institute for Standards and Technology to support collaborative neutron research. This funding will enable scientists to develop new techniques and applications in neutron-scattering research, furthering our understanding o...