Neutron Stars Join the Black Hole Jet Set
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NASA's Chandra X-ray Observatory has revealed an X-ray jet blasting away from a neutron star in a binary system. This discovery may help astronomers understand how neutron stars as well as black holes can generate powerful beams of relativistic particles.
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A massive black hole at the heart of a galaxy is emitting a powerful stream of radiation that is destroying everything in its path, including another galaxy
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A cosmic explosion that seems to have come out of nowhere&#x2014;thousands of light-years from the nearest collection of stars&#x2014;has left astronomers baffled.
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Teams of international scientists have   used observations from NASA's Swift satellite and other   telescopes to witness the evolution of a cosmic blast into a   stellar explosion or supernova.
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The largest explosion ever seen in space reveals black holes to be more influential    than expected, perhaps sometimes stifling star formation in a galaxy while    gobbling up trillions upon trillions of tons of gas.
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An international team of astronomers has produced the first ever image of an astronomical object using high energy gamma rays, helping to solve a 100 year old mystery - an origin of cosmic rays.
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An international team of astronomers have unexpectedly found hundreds of expanding "supermassive" black holes buried deep inside galaxies billions of light years from Earth.
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"It's like a bully, a black-hole bully punching the nose of a passing galaxy"  The latest act of senseless violence caught on tape is cosmic in scope: A black hole in a "death star galaxy" blasting a neighboring galaxy with a deadly jet of radiation and energy. via Freerepublic.com
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Astronomers claim to have found the first firm evidence that cosmic rays can come from stars that have exploded, or supernova remnants.
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A powerful jet from a supermassive black hole is blasting a nearby galaxy and possibly causing profound problems for planets in the jet's path.
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Astronomers have observed for the first time a jet of matter spiraling outward from an infant star, as if a lengthy strand of curly pasta.
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Astronomers sifting through  the radiation signals emanating from a distant black hole have separated the  emission into its two component parts, a key step in understanding how such  massive objects work.
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Duke University -- A Supernova Early Warning System (SNEWS) that detects ghostlike neutrino particles that are the earliest emanations from the immense, explosive death throes of large stars will alert astronomers of the blasts before they can see the flash.     SNEWS "could allow astronomers a chance to make unprecedented observations of the very early turn-on of the supernova," wrote the authors of an article about the new system in the September issue of the "New Journal of Physics."     They also noted that "no supernova has ever been observed soon after its birth."     Big stars end their lives in explosive gravitational collapses so complete that even the brilliant flashes of light usually announcing these extremely rare "supernova" events stay trapped inside, unseen by astronomers, for the first hours or days...
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Scientists have obtained their best measurement yet of the size and contents of a neutron star, an ultra-dense object containing the strangest and rarest matter in the Universe.
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X-ray vision has brought astronomers closer than ever to completely characterizing a black hole, a place where strange things happen.
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NASA plans to launch a new space telescope later this month capable of spinning around at a moment&#39;s notice to catch sight of the elusive, brief and powerful explosions that send blasts of light and radiation screaming through our universe every day.
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An eruption of high-energy radiation recently signaled a tantrum unleashed by a black hole, astronomers announced today.