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Scientific American

NASA’s historic Artemis II moon mission is almost ready to launch

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Astronomers Spot Mysterious Bar-Shaped Cloud of Iron Inside an Iconic Nebula

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Why Are There No Green Stars?

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What Is Beige Fat, and Is It Healthy?

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In Venezuela, Big Oil Collides with a Hotter Planet

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Kratsios Calls Patchwork State AI Laws ‘Anti-Innovation’ at House Science AI Hearing

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Incredible Cheetah Mummies Show Big Cats Once Roamed the Arabian Peninsula

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A Controversial U.S. Study of Hepatitis B Vaccines Will Continue in Africa, HHS says

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JWST’s ‘Little Red Dots’ May Be ‘Black Hole Stars’

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At 25, Wikipedia Now Faces Its Most Existential Threat—Generative A.I.

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Mosquitoes Show a Clear Preference for Human Blood after Deforestation

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Americans Overwhelmingly Support Science, but Some Think the U.S. Is Lagging Behind: Pew

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Astronauts Return to Earth in First ISS Medical Evacuation

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Astronauts Evacuate the ISS after Medical Incident

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Eroding the Clean Air Act Will Make America Sicker, Dirtier and Poorer

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Horses Can Smell Your Fear, Bizarre Sweat Study Finds

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Trump Administration Reinstates Mental Health and Addiction Grants—Report

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Scientists Find Extinct Rhino DNA in Wolf Pup Mummy’s Stomach

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NASA Commits to Plan to Build a Nuclear Reactor on the Moon by 2030

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Does String Theory Solve the Mystery of the Brain?

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T. rex Bones Reveal These Dinosaurs May Have Lived Far Longer Than We Thought

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RFK, Jr.’s New Kids’ Vaccine Guidelines Will Worsen Flu and Other Winter Illnesses, Experts Say

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Are Seed Oils Bad for You? Debunking a Viral Social Media Myth

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2025 Wasn’t the Hottest Year on Record. Earth Is Still Barreling to the Climate Brink

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Supermassive Black Hole Sagittarius A* May Have Once Shone 10,000 Times Brighter Than Today

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U.S. Greenhouse Gas Emissions Are Rising for the First Time in Two Years—They Could Climb Far Higher

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Pentagon Reportedly Testing Radio Wave Device Linked to ‘Havana Syndrome’

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70 Percent of Cancer Patients Now Survive at Least Five Years, Study Finds

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Vertical Solar Panels—Wind-Resistant Trackers for High Latitudes

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Sick Astronaut on ISS Forces Early Transfer of Command from NASA Crew Member to Russian Cosmonaut

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New Study Probes How Same-Sex Behaviors Evolved in Nonhuman Primates

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A Bizarre Exoplanet Breaks Solar System Rules

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Why 52 cards is the perfect number for poker—mathematically

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Woodpeckers’ Secret Strength Revealed—Plus, Flu Surge, AI Sleep Predictions and CES 2026 Trends

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NASA Announces Return Date for ISS Astronauts after Medical Evacuation Announcement

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Why 2026 Is a Mathematically Special Number

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How Prepared Are ISS Astronauts for Medical Emergencies?

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Stevie Wonder’s Rule for AI at CES 2026—‘Make Life Better for the Living’

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Scientists Discover Brain Circuit That Acts Like a ‘Brake’ on Motivation

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These Bizarre, Centuries-Old Greenland Sharks May Have a Hidden Longevity Superpower

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The Best Skywatching and Stargazing Events of 2026

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The Weight-Loss Drug Revolution—From Shots to Pills and the Science behind It All

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Ocean Temperatures Just Hit a Dire New Record

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NASA to Rush Astronauts Home after Medical Incident on ISS in Unprecedented Move

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What Happens after You Quit Weight-Loss Drugs? A New Study Offers Some Clues

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Some Dogs Learn New Words Just Like Toddlers Do

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Why a January Heat Wave Is Breaking Records across the South

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Do Monkeys Make Faces on Purpose?

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This Newly Discovered Asteroid, Almost Half a Mile Wide, Just Set a New Space Record

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Supermassive Black Hole ‘Snowplows’ Can Stifle Star Formation in Spiral Galaxies

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