Jack Teixeira, suspect in leak of Pentagon documents, charged with unauthorized retention of classified material

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An Extreme Supernova Lit The Skies 1,000 Years Ago. We May Finally Know Its TypeScientists Confirm Black Hole And Neutron Star Collisions in World-First Discovery

Listen to The Eerie Noise of China's Mars Rover as It Sets Off to Explore

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Twitter users report glitches as links and images fail to loadTesla lowers prices on its Model X and Model S vehicles

Massachusetts woman killed in 1978 identified after DNA match from son who was 5 when she vanished: "It's a lot to process"Red tide is back in Florida, killing fish and impacting human health. Here's what to know about the toxic bloom.