Black Holes

Black Holes News -- ScienceDaily Black Holes in Space. Read science articles on colliding supermassive black holes, simulated gravitational waves of a black hole, black hole theory and more. Astronomy images.

  • Black holes' magnetism surprisingly wimpy
    on December 7, 2017 at 7:16 pm

    Black holes are famous for their muscle: an intense gravitational pull known to gobble up entire stars and launch streams of matter into space at almost the speed of light. It turns out the reality may not live up to the hype. […]

  • Scientists observe supermassive black hole in infant universe
    on December 6, 2017 at 6:19 pm

    A team of astronomers has detected the most distant supermassive black hole ever observed. The black hole sits in the center of an ultrabright quasar and presents a puzzle as to how such a huge object could have grown so quickly. […]

  • Neutron stars on the brink of collapse
    on December 4, 2017 at 2:46 pm

    The exact characteristics of Neutron stars, the densest objects in the Universe, are still unknown. Scientists have managed to narrow down the size of neutron stars with the aid of computer simulations. The calculations based on data from the LIGO and Virgo observatories suggest that the neutron star radius must be at least 10.7 km. […]

  • Gravitational waves could shed light on the origin of black holes
    on November 30, 2017 at 7:10 pm

    The detection of gravitational waves has given astronomers a new way of looking at the universe, and a new study shows how these ripples in the fabric of spacetime might confirm or rule out the existence of a certain type of black hole. […]

  • Infant stars found surprisingly near galaxy's supermassive black hole
    on November 28, 2017 at 5:32 pm

    ALMA has revealed the telltale signs of eleven low-mass stars forming perilously close -- within three light-years -- to the Milky Way's supermassive black hole. […]

  • Possible vestiges of a universe previous to the Big Bang
    on November 27, 2017 at 3:59 pm

    A researcher proposes to eliminate the need for cosmological space-time singularity and argues that the current expansion phase was preceded by contraction. […]

  • Listening for gravitational waves using pulsars
    on November 15, 2017 at 2:25 pm

    When galaxies collide, their central black holes tend to spiral toward each other, releasing gravitational waves in their cosmic dance. To explore this uncharted area of gravitational wave science, researchers look a natural experiment in the sky called a pulsar timing array. Pulsars are dense remnants of dead stars that regularly emit beams of radio waves, which is why some call them "cosmic lighthouses." […]

  • Minor merger kicks supermassive black hole into high gear
    on October 31, 2017 at 2:18 pm

    Astronomers are studying the galaxy M77, which is famous for its super-active nucleus that releases enormous energy. The unprecedented deep image of the galaxy reveals evidence of a hidden minor merger billions of years ago. The discovery gives crucial evidence for the minor merger origin of active galactic nuclei. […]

  • Monster colliding black holes might lurk on the edge of spiral galaxies
    on October 30, 2017 at 7:44 pm

    The outskirts of spiral galaxies like our own could be crowded with colliding black holes of massive proportions and a prime location for scientists hunting the sources of gravitational waves, said researchers. Their study identifies an overlooked region potentially rife with orbiting black holes. Identifying host galaxies of merging massive black holes could help explain how orbiting pairs of black holes form. […]

  • Mystery of raging black hole beams penetrated
    on October 30, 2017 at 5:12 pm

    They are nature's very own Death Star beams - ultra-powerful jets of energy that shoot out from the vicinity of black holes like deadly rays from the Star Wars super-weapon. […]

  • Seeing the light of neutron star collisions
    on October 16, 2017 at 4:21 pm

    When two neutron stars collided on Aug. 17, a widespread search for electromagnetic radiation from the event led to observations of light from the afterglow of the explosion, finally connecting a gravitational-wave-producing event with conventional astronomy using light, according to an international team of astronomers. […]

  • Hubble observes source of gravitational waves for the first time
    on October 16, 2017 at 4:21 pm

    The NASA/ESA Hubble Space Telescope has observed for the first time the source of a gravitational wave, created by the merger of two neutron stars. This merger created a kilonova -- an object predicted by theory decades ago -- that ejects heavy elements such as gold and platinum into space. This event also provides the strongest evidence yet that short duration gamma-ray bursts are caused by mergers of neutron stars. […]

  • Gamma-ray burst detection just what researchers exclusively predicted
    on October 16, 2017 at 2:28 pm

    More than a month before a game-changing detection of a short gamma-ray burst, scientists predicted such a discovery would occur. […]

  • Radio 'eyes' unlocking secrets of neutron-star collision
    on October 16, 2017 at 2:28 pm

    When a pair of superdense neutron stars collided and potentially formed a black hole in a galaxy 130 million light-years from Earth, they unleashed not only a train of gravitational waves but also an ongoing torrent of radio waves that are answering some of the biggest questions about the nature of such a cataclysmic event. […]

  • Nobel Prize in Physics 2017: Gravitational waves
    on October 3, 2017 at 1:58 pm

    The Nobel Prize in Physics 2017 goes to Rainer Weiss, Barry C. Barish, and Kip S. Thorne "for decisive contributions to the LIGO detector and the observation of gravitational waves." […]

  • Supersonic gas streams left over from the Big Bang drive massive black hole formation
    on September 28, 2017 at 6:20 pm

    A super-computer simulation by an international team of researchers has shown the formation of a rapidly growing star from supersonic gas streams in the early universe left over from the Big Bang. The star ends its life with catastrophic collapse to leave a black hole with a mass of 34,000 times that of the Sun. […]

  • Black holes with ravenous appetites define Type I active galaxies
    on September 27, 2017 at 5:36 pm

    Type I and Type II active galaxies do not just appear different -- they are, in fact, very different from each other, both structurally and energetically, new research shows. According to the results of a new study, the key factor that distinguishes Type I and Type II galaxies is the rate at which their central black holes -- or active galactic nuclei -- consume matter and spit out energy. […]

  • LIGO and Virgo observatories jointly detect black hole collision
    on September 27, 2017 at 4:36 pm

    The first observation of gravitational waves has been discovered by by three different detectors, marking a new era of greater insights and improved localization of cosmic events now available through globally networked gravitational-wave observatories. […]

  • The material that obscures supermassive black holes
    on September 25, 2017 at 5:29 pm

    New research examines the material that obscures active galactic nuclei obtained from infrared and X-ray observations. […]

  • When radio galaxies collide, supermassive black holes form tightly bound pairs
    on September 18, 2017 at 4:35 pm

    Supermassive black holes found in the centers of galaxies can form gravitationally bound pairs when galaxies merge, according to a new study. […]

  • Physicists propose new theories of black holes from the very early universe
    on September 1, 2017 at 5:55 pm

    'Primordial black holes,' believed to have formed shortly after the Big Bang, might explain how heavy elements such as gold, platinum and uranium came to be, physicists report. […]

  • What lit up the universe? Black holes may have punctured darkened galaxies, allowing light to escape
    on August 30, 2017 at 3:48 pm

    Researchers have a new explanation for how the universe changed from darkness to light. They propose that black holes within galaxies produce winds strong enough to fling out matter that punctures holes in galaxies, allowing light to escape. […]

  • Black hole models contradicted by hands-on tests
    on August 28, 2017 at 6:07 pm

    Models of black holes that rely upon an assumption made 20 years ago need revision, explain investigators. […]

  • Black holes: Scientists 'excited' by observations suggesting formation scenarios
    on August 23, 2017 at 5:12 pm

    Physicists have described how observations of gravitational waves limit the possible explanations for the formation of black holes outside of our galaxy; either they are spinning more slowly than black holes in our own galaxy or they spin rapidly but are 'tumbled around' with spins randomly oriented to their orbit. […]

  • Supermassive black holes feed on cosmic jellyfish
    on August 16, 2017 at 5:46 pm

    Observations of 'Jellyfish galaxies' with ESO's Very Large Telescope have revealed a previously unknown way to fuel supermassive black holes. It seems the mechanism that produces the tentacles of gas and newborn stars that give these galaxies their nickname also makes it possible for the gas to reach the central regions of the galaxies, feeding the black hole that lurks in each of them and causing it to shine brilliantly. […]

  • Cosmic magnifying lens reveals inner jets of black holes
    on August 15, 2017 at 5:38 pm

    Jet material ejected from a black hole is magnified in new observations from Caltech's Owens Valley Radio Observatory. This discovery provides the best view yet of blobs of hot gas that shoot out from supermassive black holes. […]

  • New 3-D simulations show how galactic centers cool their jets
    on August 14, 2017 at 4:09 pm

    Scientists have developed new theories and 3-D simulations to explain what's at work in the mysterious jets of energy and matter beaming from the center of galaxies at nearly the speed of light. […]

  • Black holes pervade the universe, celestial census indicates
    on August 7, 2017 at 7:54 pm

    After conducting a cosmic inventory of sorts to calculate and categorize stellar-remnant black holes, astronomers have concluded that there are probably tens of millions of the enigmatic, dark objects in the Milky Way -- far more than expected. […]

  • Primordial black holes may have helped to forge heavy elements
    on August 4, 2017 at 5:18 pm

    Astronomers like to say we are the byproducts of stars, stellar furnaces that long ago fused hydrogen and helium into the elements needed for life through the process of stellar nucleosynthesis. But what about the heavier elements in the periodic chart, elements such as gold, platinum and uranium? Astronomers believe most of these "r-process elements" -- elements much heavier than iron -- were created, either in the aftermath of the collapse of massive stars and the associated supernova explosions, or in the merging of binary neutron star systems. […]

  • New simulations could help in hunt for massive mergers of neutron stars, black holes
    on August 2, 2017 at 5:47 pm

    Scientists have developed new computer models to explore what happens when a black hole joins with a neutron star - the superdense remnant of an exploded star. […]