Researchers at Argonne National Laboratory discovered a way to use microscopic swirling flows to rapidly clear bacteria or swimming robots from circles. This technique could be useful in lab-on-a-chip devices for chemical or biological analyses, and may also help prevent biofilms from forming.
A team of researchers, led by UC Riverside graduate student Irene Shivaei, used a combination of near-infrared spectrometer and infrared images to study 17 bright distant galaxies. They compared various observables, including ultraviolet light, infrared light, and nebular emission lines, to estimate the star-formation rate. The study i...
A team of researchers has found evidence for a particle accelerator in the center of the Milky Way that can accelerate protons to petaelectronvolt energies. The discovery sheds new light on the origin of galactic cosmic rays and challenges existing theories.
Astronomers have detected repeating fast radio bursts (FRBs) from an enigmatic source, suggesting an extremely powerful object that occasionally produces multiple bursts. The findings indicate the source is likely located beyond the Milky Way galaxy.
Researchers from Okinawa Institute of Science and Technology Graduate University developed a method to create ordered crystal-like structures from micelles using shear flow, enabling faster drug discovery and material sciences applications. The technique involves adding external shear flow to induce controlled crystallization at ambien...
Two studies find gamma ray signals in the galactic center are unlikely caused by dark matter collisions. Instead, they could be attributed to fast-rotating stars called millisecond pulsars. Researchers used statistical analysis methods to analyze images of gamma rays captured by NASA's Fermi Gamma-ray Space Telescope.
The Smith Cloud, a massive cloud of hydrogen gas, is plummeting towards the Milky Way at nearly 700,000 miles per hour. Astronomers believe it will ignite a spectacular burst of star formation upon impact, potentially providing enough gas to create 2 million suns.
Researchers have determined that the Smith Cloud, a high-velocity cloud in the galaxy, contains heavier elements similar to those found in our sun, suggesting it originated from the Milky Way's outer edges. The cloud is now expected to crash into the galaxy's disk in 30 million years, potentially generating two million suns.
Astronomers discover invisible structures shaped like noodles or hazelnuts, which could radically change ideas about interstellar gas. The shapes were estimated using innovative new technique and observations of a quasar lensing event.
A team of astronomers has detected a gas cloud with a wide velocity dispersion, suggesting the presence of an intermediate mass black hole. The cloud's elliptical shape and composition indicate a compact but low-density component and a dense component extending 10 light years.
Researchers are investigating an explosion brighter than the Milky Way, with a tiny magnetar at its center. The object could be a millisecond magnetar spinning 1,000 times per second, shedding light on superluminous supernovae.
Researchers identified massive stars moving at supersonic speeds, creating bow shocks that help locate them. The team used infrared data to find over 200 images of fuzzy red arcs, which turned out to be stars in various stages of evolution.
A new method of galactoseismology has confirmed the existence of a dark-matter dominated dwarf galaxy and may help locate satellite galaxies. The method uses waves in the galactic disk to map the interior structure and mass of galaxies, offering a fresh perspective on understanding dark matter.
Astronomers have detected a massive galaxy cluster, IDCS J1426.5+3508, 10 billion light years from Earth, formed just 3.8 billion years after the Big Bang. The cluster is about 1,000 times more massive than the Milky Way and is undergoing significant upheaval.
Researchers argue that globular clusters can host planets with conditions suitable for life, despite initial concerns. The environment of these dense star clusters may allow for stable planetary systems to form and survive for billions of years.
A single sesquiterpene lactone, taraxinic acid β-D-glucopyranosyl ester (TA-G), found in dandelion latex, negatively affects cockchafer larvae growth. This compound plays a crucial role in dandelion defense against root feeders.
Researchers developed a new method to test Einstein's General Relativity using brief blasts of rare radio signals from space called Fast Radio Bursts. This method is considered a significant tribute to Einstein on the 100th anniversary of his first formulation of the Equivalence Principle.
Researchers detected radio absorption by gas clouds in front of bright radio sources, revealing the composition and conditions of diffuse gas in the Milky Way galaxy. The discovery of three new absorption systems and confirmation of one previously known system provides insight into tenuous gas clouds and their role in the universe.
The Event Horizon Telescope detected magnetic fields near the event horizon of the Milky Way's central black hole, Sgr A*, for the first time. The findings suggest that these magnetic fields are disordered in some regions and organized in others, possibly related to jet generation.
Researchers have discovered thousands of stellar pulses in the galaxy Messier 87 (M87), providing a new method for calculating a galaxy's age. The pulsations are caused by bright, pulsating stars that were previously unknown to affect distant galaxies' light.
Astronomers have found nine ancient stars near the Milky Way's center, forming before the galaxy existed, with surprising purity and a possible hypernova origin.
Researchers identified ancient stars in the Milky Way's center with extremely low metal content, suggesting they formed in the early universe. These stars contain chemical fingerprints indicating possible hypernova deaths, which could aid understanding of the Universe's evolution over billions of years.
Astronomers use Hubble Space Telescope to uncover blueprints of Milky Way's early construction phase, revealing the history of stars that existed 12 billion years ago. The study suggests the galaxy's bulge formed first and its stellar inhabitants were born quickly, with the rest of the galaxy growing more slowly.
A team of astronomers has used data from the VVV survey to discover a previously unknown component of our home galaxy, the Milky Way. The new component is a thin disc of young stars across the galactic bulge, which was buried behind thick clouds of dust.
A new theoretical study suggests that only eight percent of potentially habitable planets will ever form in the universe, while the bulk of those planets - 92 percent - have yet to be born. This conclusion is based on an assessment of data collected by NASA's Hubble Space Telescope and the Kepler space observatory.
Researchers propose a new technique to detect stars at galactic center by looking for radio waves from supersonic stars. Stars with high speeds can create shock waves, producing radio emission that can be detected.
Astronomers at Columbia University provide evidence of a pair of supermassive black holes converging towards a collision. They predict the smashup will occur in 100,000 years, offering insights into black hole growth and space-time vibrations.
Researchers explore Earth's most extreme lifeforms to predict what life could be like elsewhere in the universe. They suggest water-hydrogen peroxide mixtures for Mars-like environments and liquid hydrocarbons for Titan-like planets, with organisms adapting to frigid temperatures and slow metabolisms.
Researchers at the IceCube Neutrino Observatory have gathered powerful new evidence in support of previous observations confirming the existence of cosmic neutrinos. The detection of ultra-high-energy muons provides independent confirmation of astrophysical neutrinos from our galaxy and cosmic neutrinos from sources outside the Milky Way.
Scientists using Dark Energy Survey find eight faint celestial objects orbiting Milky Way, which could indicate more galaxies hiding nearby. These discoveries suggest our cosmic neighborhood is more densely populated than previously thought, with implications for understanding dark matter and galaxy formation.
A team of UCLA scientists discovers a Jupiter-like planet, 51 Eridani b, which orbits a nearby star at a distance similar to Saturn's orbit. The planet has the strongest concentration of methane ever detected on a planet outside the Milky Way and is roughly twice the mass of Jupiter.
Scientists use archived data from NASA's Hubble Space Telescope to study 13 unusual exploding stars, known as supernovae. These young stars were ejected from their galaxies at high speeds, and astronomers believe that supermassive black holes in merging galaxies played a key role in their ejection.
A new simulation by Carnegie Mellon University researchers suggests that large disk galaxies, like the Milky Way, might have formed in the early universe. The BlueTides simulation, which is 100 times larger than previous simulations, shows a number of disk galaxies existing at 500 million years post-Big Bang, challenging long-held theo...
Researchers have detected lithium in material ejected by a nova, resolving a long-standing puzzle about its abundance in young stars. The finding sheds light on the chemical evolution of the Milky Way and could inform models of the Big Bang.
Chakrabarti's new study will create a simulated map of satellite populations from analyzing extended atomic hydrogen disks, which may answer the
Researchers found that galaxies in the Coma Cluster could have as much as 100 times more dark matter than visible matter, allowing them to survive and thrive. The study used computer simulations to model how these 'dead' galaxies evolved into their current state.
Researchers found strong outflows in ultra-luminous X-ray sources (ULXs), suggesting smaller black holes than expected. The team's observations shed light on ULXs and their impact on our understanding of supermassive black hole formation.
Astronomers discover active galactic nuclei (AGN) exhibit flickering behavior, switching on and off every 200,000 years. This phenomenon affects star formation in host galaxies, with radiation from AGN potentially delaying or preventing the collapse of gas clouds.
The detection of a supermassive black hole at the center of Messier 32, a satellite of the Andromeda Galaxy, reveals a 'quiescent' black hole with activity among the weakest yet found. The VLA's improved sensitivity allowed for the detection of radio emission from the black hole, which is roughly 90 times fainter than previous studies.
Researchers at Yale University and the University of California-Santa Cruz have detected an exceptionally luminous galaxy more than 13 billion years in the past, EGS-zs8-1. The galaxy is one of the brightest and most massive objects in the early universe, with a mass equivalent to over 15% of our Milky Way.
Researchers at TUM and IME identified a protein complex on rubber particles responsible for the formation of polyisoprene, the main component of rubber. The study found two key proteins necessary for natural rubber biosynthesis in dandelion plants. This discovery brings biotechnological manufacturing of rubber closer.
Researchers identified 200 previously unknown compact elliptical galaxies using public archives of data from the Sloan Digital Sky Survey and the GALEX satellite. Of these, 11 isolated compact galaxies were found moving faster than their cluster counterparts
Astronomers have combined telescopes across the Earth to create the Event Horizon Telescope, which will take detailed images of the supermassive black hole at the center of the Milky Way galaxy. The South Pole Telescope has joined the EHT, bringing a two-to-three times increase in resolution to study black holes and test Einstein's the...
Researchers observed four colliding galaxies and found a lag between dark matter and its associated galaxy, suggesting that dark matter interacts with forces other than gravity. This discovery could be the first evidence for rich physics in the dark sector, helping scientists better understand dark matter's nature.
Researchers have created tiny gold nanoparticles that exhibit nature's most intricate patterns, marking the first time a nanoparticle of this size has been crystallized and its structure mapped out atom by atom. These patterns are responsible for the high stability of the particles.
The Milky Way's star formation rate peaked 10 billion years ago, but our sun formed about 5 billion years ago. This may have fostered the growth of our solar system's planets by enriching the galaxy with heavier elements.
Prickly lettuce has potential as a new cash crop providing raw material for rubber production, according to Washington State University scientists. They identified genetic markers linked to rubber production in the plant's genetic code, opening the way for breeding desired traits and developing a sustainable source of natural rubber.
Researchers used ESA's Herschel and Planck space observatories to identify objects in the distant Universe that could be precursors of today's galaxy clusters. These early galaxies were found to be forming stars at an extremely high rate, with some converting gas and dust into stars at a rate 1,500 times faster than our own Milky Way.
Researchers found two ancient stars in Sculptor dwarf galaxy with unusual chemical content, suggesting a single supernova explosion may have seeded the gas cloud. This discovery provides an unprecedented view of the earliest history of another galaxy.
Researchers made direct observations of cosmic dust resulting from an ancient supernova at the Milky Way's center, supporting the theory that supernovae produce dust in galaxies of the early universe. The study provides new insights into the origins of dust, a crucial component in star and planet formation.
Researchers used the Titius-Bode law to calculate planetary positions and found billions of stars with 1-3 planets in their habitable zone. This suggests that a significant number of these planets could have liquid water and support life.
An international team of astronomers has discovered a hot, dusty cloud of molecular gases in a dwarf galaxy near our own, where over 1 million young stars are forming. The star cluster is buried within a supernebula and contains massive 'O' stars that are a million times brighter than the sun.
New research by Rensselaer Polytechnic Institute reveals that the Milky Way's galactic disk is contoured into several concentric ripples, extending its known width from 100,000 to 150,000 light years.
Scientists have identified the fastest-moving unbound star in our galaxy, breaking the galactic speed record with a speed of 1,200 kilometers per second. The star, US708, was once part of a double-star solar system and is now expected to leave the Milky Way.
A team of astronomers from University of Cambridge identified nine new dwarf satellites orbiting Milky Way, largest number ever discovered. The findings may help unravel mysteries behind dark matter, invisible substance holding galaxies together.
Researchers have found a set of celestial objects that resemble dwarf satellite galaxies orbiting the Milky Way. These discoveries could provide insights into dark matter and its role in galaxy formation.
A team of astronomers has found that galactic 'rain' may be the key to understanding why some galaxies are more productive at creating stars than others. The researchers analyzed X-rays from over 200 galaxy clusters using NASA's Chandra X-ray Observatory and discovered that massive black holes can slow down gas that helps form stars.
A team of astronomers discovered a young and remote galaxy with dust levels similar to mature galaxies like the Milky Way, defying expectations. The galaxy, A1689-zD1, was observed using ALMA and VLT instruments and found to be emitting radiation in the far infrared, indicating significant star formation.
A team of astronomers used ALMA to study a star-forming region in the Sculptor Galaxy, revealing that it is much more massive and dense than similar regions in normal spiral galaxies. This suggests that starburst galaxies are better at forming stars due to their unique stellar nurseries.
A new study confirms dark matter's presence in the inner part of the Milky Way, including at our own cosmic neighborhood. Scientists created a comprehensive compilation of published measurements to observe rotation speeds and found that dark matter is needed to explain observed speeds.