Dr. Arno Penzias, who helped confirm Big Bang Theory, dies at 90
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Doomsday Clock stays at 90 seconds to midnight for second straight year
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Scientists raise alarms about controversial bite marks analysis used in convictions
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Meet the students using radio waves to contact the ISS
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NASA straps dreams of 2024 moon mission to SpaceX rockets
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Brain implant uses AI to give speech-disabled patients a voice
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NASA shares stunning photos of 'Christmas Tree Cluster' in space
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NASA beams cat video from deep space back to Earth using laser
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See images of exploding star captured by NASA’s Webb telescope
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Growing number of misleading ads using AI to create fake celebrity endorsements
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Mary Cleave, pioneering NASA astronaut, dies at 76
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Meet real bionic man: He’s 100 percent prosthetic parts
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It took three years, but scientists have finally assembled a fully functioning bionic man made entirely of prosthetic limbs and parts already being used on humans.Oct. 15, 2013
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Connecticut museum reopens with first brontosaurus found in US
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