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Stay current with all the latest and breaking news about Signal, compare headlines and perspectives between news sources on stories happening today. In total, 693 stories have been published about Signal which Ground News has aggregated in the past 3 months.
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![Scientists discover a powerful and surprisingly long-lasting gamma ray explosion outside our galaxy — Hubble telescope 2009 by Wikipedia Photo - http://spaceflight.nasa.gov/gallery/images/shuttle/sts-125/html/s125e011835.html[1] (By: NASA) / Creative Commons](/_next/image?url=https%3A%2F%2Fgroundnews.b-cdn.net%2Fassets%2Fadmin%2F2025%2F8%2F9ecda062063c7228213e785c3f41eb35140f1947.jpg%3F%26width%3D600%26crop%3D1696%2C1272%2C112%2C0%26quality%3D50&w=1440&q=75)
Science · United StatesScientists have discovered a gamma ray explosion outside our galaxy that’s not only exceptionally powerful, but also long-lasting. Telescopes on Earth and in space — including Hubble — have teamed up to study the unique explosion of high-energy radiation first observed in July. Astronomers reported Tuesday it's unlike anything they've witnessed before.The repeated bursts of gamma rays were detected over the course of a day, according to scientis…See the Story
Scientists discover a powerful and surprisingly long-lasting gamma ray explosion outside our galaxy
66% Center coverage: 65 sources
Vladimir PutinIn the years since Russia invaded Ukraine, NATO has focused on defending its own territory first and resisted lower-level harassment from Russia, like acts of sabotage and intimidation. This week's drone incident in Poland marks an escalation that can't be…See the Story
Russian Drones Force Europe to Defend Itself, Perhaps Alone, as Putin 'Put Down a Marker' to NATO
56% Right coverage: 9 sources
