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Researchers discover black holes that violate the uniqueness theorem and have "gravitational hair." -
A supernova exploded near Earth about 2.5 million years ago, possibly causing an extinction event.
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COVID-19 is not a storm that we can just wait out.
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Journalists, doctors, and others you should know.
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Map of Europe's 20 most populous islands holds a few surprises, unlocks a truckload of trivia
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The main bioactive compound in catnip seems to protect cats from mosquitoes. It might protect humans, too.
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Researchers devise a record-breaking laser transmission that avoids atmospheric interference.
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Dr. Katie Mack explains what dark energy is and two ways it could one day destroy the universe.
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The idea behind the law was simple: make it more difficult for online sex traffickers to find victims.
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A unique exoplanet without clouds or haze was found by astrophysicists from Harvard and Smithsonian.
