Researchers found that zolmitriptan nasal spray was effective in treating cluster headaches, providing pain relief to 50% of patients. The medication's quick absorption and minimal side effects make it a potential first-line treatment option for acute cluster headaches.
A US-Australian research team has detected radio pulses from a magnetar star, XTE J1810-197, which is giving off extraordinary radio pulses. The finding links this rare type of star with the much more common 'radio pulsars', reordering our understanding of these neutron stars.
Astronomers have discovered the faintest stars in a globular star cluster using Hubble's Advanced Camera for Surveys. The study reveals insights into the age, origin, and evolution of NGC 6397, which is estimated to be nearly 12 billion years old.
An international team of astronomers has identified the dimmest stars in globular star cluster NGC 6397 using NASA's Hubble Space Telescope. The discovery provides clues to the age of the Universe and the formation time of one of its earliest generations of stars.
Researchers studied globular star cluster NGC 6397, capturing high-resolution images of faint stars. They identified two fundamental transitions in star physics related to age, which may refine the Milky Way's age. The findings provide insights into the physics of low mass stars and white dwarfs.
Researchers have found evidence of a binary system in the Quintuplet cluster, where two massive stars are orbiting each other. The discovery of 'pinwheel-shaped' dust spirals around these stars provides further proof of their dual nature and corrects previous estimates of their sizes.
Astronomers propose that super-Earths can form around red dwarf stars via ultraviolet stripping, a process previously thought to only create gas giant planets. The new theory suggests that the mass of the central star determines whether a planet forms as a gas giant or a super-Earth.
The new Cluster 1350 system is a 1000-node cluster running Linux, capable of performing over 8.5 trillion calculations per second, making it one of the fastest in the world. This enables researchers to quickly analyze complex DNA and proteins to develop more targeted drugs for human cancer genes and proteins.
Astronomers discover an Earth-like planet with a solid core, orbiting a red dwarf star five times less massive than the sun. The discovery, made using microlensing technique, reveals thousands of potentially habitable planets in distant parts of the galaxy.
Astronomers have found a small planet with a mass about five times that of Earth, orbiting a small star near the center of the galaxy. The discovery suggests there are many other small planets in habitable zones, where temperatures are moderate enough for liquid water to appear on their surfaces.
Scientists discover an unusual X-ray tunnel large enough to fit the entire Milky Way galaxy inside a galaxy cluster. The tunnel is filled with old particles likely originating from past black hole outbursts, shedding light on the complex battle between the inward flow of hot gas and outward radio jets.
Researchers discovered young super nebulae around giant star clusters, containing up to a million young stars, and emitting radiant power billions of times that of the sun. The discovery raises questions about why Milky Way no longer forms similar clusters after 10 billion years.
A team of researchers from UCLA has discovered a group of over 30 young stars near a supermassive black hole, contradicting the idea that such an environment should prevent star formation. The stars' orbits suggest they formed in a massive star cluster and migrated towards the black hole.
Astronomers have found a massive star cluster in the Milky Way, consisting of 14 supergiants with a total mass of at least 20,000 solar masses. This discovery may challenge existing massive star formation models and provides valuable insights into the evolution of these stars.
UI researchers discovered a giant star orbiting a 'medium-sized' black hole every 62 days, indicating the star's enormous size and brightness in X-rays. This finding may help confirm a class of black holes with masses between 100 and 10,000 solar masses.
Scientists have discovered energetic plumes extending 300,000 light years into a massive galaxy cluster. The plumes are caused by explosive venting from a supermassive black hole and demonstrate the far-reaching influence of a black hole on intergalactic distances.
Researchers create an optical vortex mask that eliminates starlight, allowing for direct observation of nearby planets. The device successfully images Saturn and its rings, paving the way for future exoplanet detection projects like the Terrestrial Planet Finder.
A team of astronomers has discovered a hot Jupiter planet in a triple star system, challenging conventional theories of planetary formation. The discovery suggests that it is possible for planets to form around the host star and then be captured by a binary system, explaining the unusual configuration of the HD 188753 system.
Astronomers recorded a massive star ejected from the Large Magellanic Cloud with speeds of over 2.6 million kilometers per hour. The high velocity suggests the presence of a massive black hole, which could be responsible for kicking the star out of its parent galaxy.
Astronomers find a dense whirling ball of neutrons in an extremely young star cluster, challenging the idea that nature can make black holes. The discovery shows massive stars may not collapse into black holes as predicted, but instead create neutron stars with a greater influence on future generations of stars.
Researchers analyzed human genome variation in various populations to understand disease susceptibility, reproductive success and genetic disorders. Gene conversion played a critical role in shaping the genetic diversity of the Luteinizing Hormone/Chorionic Gonadotropin Beta cluster, which is associated with pregnancy success.
Case Western Reserve University astronomers have captured a deep, wide-field image of the Virgo Cluster, revealing a complex web of intracluster starlight. The faint starlight is made up of stars ripped out of galaxies as they collide, providing an 'archaeological record' of violent cluster galaxy lives.
Astronomers discover a young star with unprecedented amounts of warm dust near its orbit, where Earth-like planets are most likely to exist. The team believes this could be the result of a massive collision between planet-size objects, potentially forming conditions similar to our own solar system.
A team of astrophysicists discovered X-ray oscillations in a neutron star that provide critical information about its internal structure. The oscillations, generated by massive quakes, contain frequency vibrations that can help scientists understand the nature of neutron stars.
The newly discovered planet, orbiting Gliese 876, is the smallest and first rocky terrestrial planet found around a normal star. Its surface temperature may be too hot for life as we know it due to its close proximity to the star.
Researchers found that mir-17-92 cluster microRNAs are overexpressed in most common cancers, including B-cell lymphoma and colorectal carcinomas. This overexpression may contribute to cancer development and progression.
The Chandra X-ray Observatory has observed an X-ray outburst from the highly evolved red giant star Mira A, revealing a bridge of hot matter streaming between it and its companion white dwarf. The detection provides insights into interactions between binary systems, including those with a collapsed star.
Researchers discovered two most chemically primitive stars, HE0107-5240 and HE1327-2326, offering insights into the universe's early stages. These unevolved dwarf stars have iron contents significantly lower than previously known stars, providing a glimpse into the elements produced during supernova explosions.
Researchers captured ancient, 9-billion-year-old light from a massive galaxy cluster, providing a snapshot of the universe at 5 billion years old. The discovery confirms that galaxy clusters formed in a way consistent with recent structures.
A team of astronomers has discovered a remote galaxy cluster that is as massive as several thousand galaxies like our Milky Way and is located 9,000 million light-years away. The cluster contains reddish and elliptical galaxies with old stars, indicating it formed when the Universe was less than one third of its present age.
Researchers have discovered a new gene cluster, Rhox genes, selectively expressed in male and female reproductive tissues in adult mice. The cluster's unique expression pattern suggests its role in regulating reproduction and potentially developing new contraceptive methods.
The star-nosed mole's exceptional foraging ability is attributed to its star-shaped appendages that ring its nose, allowing it to detect small prey quickly. By minimizing handling time, the mole achieves a net energy 'profit' with a diet of insect larvae and other small food sources.
An international team of astronomers using the VLT's NACO SDI camera discovered a faint companion to AB Dor A, a young star, which is 93 times more massive than Jupiter and twice as heavy as predicted. The object's mass was determined by observing its precise location and orbit around its host star.
Researchers used FUSE data to detect spectrum of ultraviolet light in region with no star, revealing light scattering from dust near bright star. The team hopes to use high spectral resolution to study diffuse background radiation and understand the nature of interstellar dust.
A trio of massive young star clusters embedded in a cloud of stars offers clues about the birth of super-star clusters. The discovery suggests that these large groups could be formed by the merger of smaller clusters. By studying this phenomenon, scientists can better understand the formation and evolution of super-star clusters.
Astronomers confirm that the Virgo Cluster of galaxies is a highly non-uniform structure consisting of several subunits. The cluster's formation history can be studied using planetary nebulae stars, which trace the masses within the region. These findings provide new insights into the dynamic evolution of galaxy clusters.
A new discovery by Pilar Ruiz-Lapuente and colleagues identifies a clear path for Type Ia supernovae to form in binary star systems. The research found that the companion star is similar to our sun, but slightly older and with high heavy-element content, supporting the theory that Type Ia supernovae originate from these systems.
Researchers found stable ring-shaped magnetic field configurations in magnetic A-stars, White Dwarf stars, and neutron stars, supporting the 'fossil field' hypothesis. These fields can persist for hundreds of millions of years, surviving the star's life span.
Researchers estimate that a neutron star is about 1.8 times as massive as the sun with a radius of about 7 miles, sparking interest in its equation of state and superfluid properties. The findings rule out free quarks and provide insights into the density-pressure relationship within the star.
The UK's Healthcare Commission, led by Ian Kennedy, has been criticized for its flawed star system and lack of transparency. The commission's ratings have been shown to be based on incomplete data and do not accurately reflect the quality of care provided by NHS Trusts.
Astronomers have discovered a new FU-Orionis-type star, which is an extremely young star about the same mass as the sun. The discovery provides insights into the formation of our solar system and allows for the study of X-ray emissions in these stars.
Astronomers have directly measured the mass of a single star, the first time this feat has been accomplished for any star other than our own sun. The star, nearly 2,000 light-years away, was found to have one-tenth the mass of the Sun using a combination of old and new astronomical techniques.
Astronomers from Johns Hopkins University confirm the Cygnus Loop is closer to Earth than previously thought, with a distance of 1,860 light years. The new findings were obtained using the Far Ultraviolet Spectroscopic Explorer (FUSE) satellite and provide an accurate starting point for understanding this important supernova remnant.
Astronomers have discovered over 300 newly forming stars in a distant nebula, creating ideal conditions for the formation of new solar systems. The sheer number of objects is astounding, and may force us to rewrite our ideas of star formation and how much of it is going on in the Milky Way.
Astronomer Steve van Straaten discovered a binary star with a vibrational frequency of 1330 Hz, the highest ever recorded. This finding allows researchers to develop new models for movement in the vicinity of a neutron star.
A team of astronomers at Penn State used the Hobby-Eberly Telescope to detect a cometlike body falling onto a massive, very young star. The infall, which occurred about 3200 years ago, provided dramatic spectral variations in the star's light. This discovery sheds light on planetary formation and the evolution of massive star systems.
A stable cluster of aluminum atoms, Al13, demonstrates properties similar to those of a halogen, retaining its properties during chemical reactions and in reaction products. The research uses experimental evidence and theoretical calculations to show that the cluster can be considered a 'superhalogen' atom.
Astronomers have discovered the nearest and youngest star with a visible disk of dust that may be a nursery for planets. The dim red dwarf star AU Mic is about half the mass of the sun but only 12 million years old, and its dusty debris disk stretches around 210 astronomical units from the central star.
Researchers watched the inner regions of an accretion disk, just miles from a neutron star's surface, change its structure in real-time. The observation provides new insight into the flow of a neutron star's accretion disk and could help study black holes and distant quasars.
The team discovered LBV 1806-20, a massive star at least 150 times larger than the sun, with estimated age of less than 2 million years. The star's enormous size is attributed to shock-induced star formation, while its location in a rare cluster of stars raises further questions about its origins.
Sandia's new cluster features a combination of Intel Xeon and Itanium processors, utilizing InfiniBand Host Channel Adapters for low-latency and high-bandwidth connections. The 128-node machine is expected to be one of the world's top systems, powered by Mellanox and Linux Networx hardware.
The team reconstructed a mass map of the galaxy cluster using NASA/ESA Hubble Space Telescope data, tracing dark matter's distribution with respect to galaxies. The study reveals that dark matter clumps together in certain regions, supporting the idea that clusters assemble through the merger of smaller groups.
Researchers have identified a population of globular star clusters drifting freely through the vast expanse of intergalactic space, revealing insights into the origins of these ancient structures. The discovery is thought to be the result of galaxy collisions or gravitational pulls that tore these star clusters from their parent galaxies.
The XMM-Newton satellite has discovered a faint X-ray glow from a very hot gas in the disk of the Andromeda Galaxy, suggesting recent star formation. Additionally, the team detected an accreting X-ray pulsar, a strongly magnetized neutron star drawing in material from its neighbor.
Researchers observed mass-losing stars in cataclysmic variables and found most secondary stars lack carbon and other elements. The unusual abundance patterns suggest stellar material formed through CNO burning, a process thought to occur in high-mass stars.
Researchers have spotted a spectacular 'bull's eye' effect in a star explosion, revealing new insights into the object's distance and characteristics. The discovery, led by Howard Bond of the Space Telescope Science Institute, used NASA Hubble Space Telescope images to calculate the star's distance from Earth at least 20,000 light years.
Researchers detected a sudden cooling of the star Rho Cassiopeiae in 2000, resulting in an unprecedented mass ejection into space. The star is now considered one of the brightest yellow hypergiants in the Milky Way, with a luminosity over half a million times that of the Sun.
Astronomers have identified a new type of star in a compact binary system, exhibiting properties similar to brown dwarf stars. The discovery sheds light on the formation and evolution of extra-solar planets, which are often found close to their host stars.
New theory explains why circumstellar Keplerian disks are stable around Be stars, contradicting previous model's predictions. The Magnetically Torqued Disk model suggests a narrow range of star types can form detectable disks.
A team of international astronomers has identified an ancient star in the Milky Way Galaxy, dated to 14-15 billion years ago. The discovery provides direct knowledge of the elemental composition of the universe shortly after the Big Bang, offering insights into the formation of stars and the chemical recipe of the early universe.