It’s all relative Betelgeuse may have a sun-sized companion starthat orbits it about once every 2,100 days, astronomy writer Lisa

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Editor in chief Nancy Shute introduces the new look and format of Science News, as it moves from publishing biweekly

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It’s official: The year 2024 was indeed the hottest on record. It was also the first year in recorded history

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Citations S.A. Shah et al. Use of artificial intelligence–based detection of diabetic retinopathy in the US. JAMA Ophthalmology. Vol. 142,

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Shadows into LightTheresa S. BetancourtHarvard Univ., $35 For more than two decades, Theresa S. Betancourt has followed the lives of

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Recovery from PTSD comes with key changes in the brain’s memory system, a new study finds. These differences were found

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The demise of most of Australia’s kangaroo species by 40,000 years ago may have had less to do with climate-caused

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Unusually dry conditions and hurricane-force seasonal winds are fueling multiple fast-moving and destructive wildfires in Los Angeles County. Gusts that

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Landscapes in Southeast Asia once thought to stifle biological evolution may instead stoke its fires. Karst ecosystems have been referred

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Supercell thunderstorms are known for their devastatingly gnarly tornadoes, but exactly how the twisters form is poorly understood. A new

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