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Embark on a Journey through the Universe: The Discovery of the Extragalactic Neutrino Factory. Credit: © Benjamin Amend For the first time, researchers have uncovered the origin of neutrinos, elementary particles that reach our planet from the depths of the universe. Highly energetic and difficult to detect, neutrinos travel billions of light years before reaching Earth. Although it is known that these elementary particles originate from the depths of our Universe, their exact origin remains a mystery. An international team of researchers, led by the University of Würzburg and the University of Geneva (UNIGE), sheds light on one aspect of the puzzle: neutrinos are thought to have been born in a blazar, the core of a galaxy filled with supermassive black holes. These results were published on July 14 in the journal Astrophysics Journal Letter . The atmosphere of our planet is constantly being bombarded by cosmic rays. It consists of electrically charged particles with very high ene

The large field of hydrothermal vents on the seafloor in the dark depths of the East Pacific ocean is the hottest and largest ever found in the region. Not only that, but in places where scientists don’t expect to find active vents, let alone the entire system, hundreds of meters from the axis of the volcanic ridge. The discovery, scientists say, could have a significant impact on our understanding of ventilation systems, and the role they play in marine ecosystems. The field was discovered by a team of scientists using autonomous underwater vehicles to map the ocean floor at depths inhospitable to human explorers. In the data obtained from the AUV. Woods Hole Oceanographic Institution Security the team looked at the region of the massive tower, standing three stories high at 2,560 (8,400 feet) meters below the surface – in permanently dark and silent bathypelagic depths. Ventilation is monitored with a temperature recorder. (WHOI/NDSF/ROV Jason/NSF) Initially, the team thought the v