Astronomers have identified the first known green star: a white dwarf whose dense atmosphere, polluted with sodium from shattered planets, would glow chartreuse to the human eye.
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Two seafloor rocks from Escanaba Trough heated past 100 °C and burned on their own in a USGS lab. Here is why, and what it means for deep-sea mining.
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Greta Gerwig’s Narnia: The Magician’s Nephew trailer is set to Led Zeppelin’s Stairway to Heaven. Release dates for theaters, IMAX and Netflix.
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WHO’s vaccine advisers say one HPV vaccine dose is the most efficient way to prevent cervical cancer and suggest wider catch-up. Here is what they recommended.
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Gemini North has captured the most detailed image yet of Pa 30, the remnant of the supernova seen in the year 1181, revealing “fireworks” made of tiny knots.
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The James Webb Space Telescope has imaged 14 Herculis c, the coldest exoplanet ever photographed, in a tilted, egg-shaped orbit 60 light-years away.
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Joni Mitchell has become an American citizen at 82, six decades after moving to the US. She keeps her Canadian citizenship. Here is what she shared.
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Duane “Keffe D” Davis was sentenced to 40 years to life for orchestrating the 1996 Las Vegas killing of Tupac Shakur. What happened and what comes next.
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A 283-person NEJM trial found continuous glucose monitors gave adults with type 2 diabetes not on insulin about five more hours a day in their target range.
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A 4,400 to 4,700-year-old Bronze Age shipwreck off Kekova Island is now the world’s oldest known. Some of its jars still hold residue of the cargo.
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