All in the Family: Kin of Gravitational Wave Source Discovered

New observations suggest that kilonovae—immense cosmic explosions that produce silver, gold and platinum—may be more common than thought  On October 16, 2017, an international group of astronomers and physicists excitedly reported the first simultaneous detection of light and gravitational waves from the same source—a merger of two neutron stars. Now, a team that includes several University of Maryland astronomers has identified […]

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Follow-up of the IceCube neutrino source candidate TXS 0506-056

  The ANTARES and HESS collaborations have followed-up the IceCube observation of a first possible high-energy neutrino source candidate, and the APC groups have had a strong role in these searches. The IceCube Collaboration has reported, in a press conference at the US National Science Foundation on July 12th 2018, a correlation between high-energy neutrinos and the blazar known as […]

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ALMA FINDS MOST DISTANT OXYGEN IN THE UNIVERSE: GALAXY 13.28 BILLION LIGHT-YEARS AWAY SHOWS SURPRISING SIGNS OF CHEMICAL MATURITY

  Not long after the Big Bang, the first generations of stars began altering the chemical make-up of primitive galaxies, slowly enriching the interstellar medium with basic elements such as oxygen, carbon, and nitrogen. Finding the earliest traces of these common elements would shed important light on the chemical evolution of galaxies, including our own. New observations with the Atacama […]

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Taming the multiverse : Stephen Hawking’s final theory about the Big Bang

Professor Stephen Hawking’s final theory on the origin of the universe, which he worked on in collaboration with Professor Thomas Hertog from KU Leuven, has been published today in the Journal of High Energy Physics.   “We are not down to a single, unique universe, but our findings imply a significant reduction of the multiverse, to a much smaller range […]

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