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Super space sunblock made from skin pigment could shield astronauts from radiationBetter shielding through chemistry
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The universe's clock might have bigger ticks than we imagineThe tiniest ticks possible
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Astronomers discover South Pole Wall, a gigantic structure stretching 1.4 billion light-years acrossStrands in the intergalactic web
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What is gravity?An attractive topic.
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Schrödinger's cat: The favorite, misunderstood pet of quantum mechanicsTo meow or not to meow?
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To find intelligent alien life, humans may need to start thinking like an extraterrestrialAnthropologist reveals a potentially big flaw in the Search for Extraterrestrial Intelligence (SETI).
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No One Can Agree How Fast Universe Is Expanding. New Measure Makes Things Worse.We just might need new physics to get out of this mess.
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Bright Star Betelgeuse Might Be Harboring a Deep, Dark SecretA new model suggests that the star Betelgeuse committed an act of cannibalism.
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Origin of Deep-Space Radio Flash Discovered, and It's Unlike Anything Astronomers Have Ever SeenMysterious ultra-fast pinpricks of radio energy keep lighting up the night sky and nobody knows why.
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Gravitational-Wave Discovery Reveals Spectacular Crash of Neutron Stars, the 2nd KnownFor the second time ever, the Laser Interferometer Gravitational-Wave Observatory (LIGO) has spotted two ultradense stellar remnants known as neutron stars violently crashing together.
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The 14 Wildest Science Stories from 2019See you next decade, science!
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What Are Irrational Numbers?They're irrational but they're still logical.
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What Is the Hubble Constant?It's an expanding problem.
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Phi: The Golden RatioA golden opportunity for misconceptions.
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What Does It Take to Be a Moon?When is a moon not a moon — and does it matter?
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What Is a Neutron Star?A wealth of energy crammed into a tiny, spinning package.
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Exotic 'Fuzzy' Dark Matter May Have Created Giant Filaments Across the Early UniverseSimulations help distinguish a cosmos containing fuzzy dark matter from one without it.
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Can You Count Past Infinity?How many different types of infinity are there, and can we count past any of them?
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Cosmic Record Holders: The 12 Biggest Objects in the UniverseThings that make you go whoa!
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Deepfake AI: Our Dystopian PresentDon't believe everything you see.
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Why Is It So Hard to Land on the Moon?Despite the fact that humans landed on the moon many times during the Apollo missions half a century ago, doing so remains a tough business.
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Meet the 'Giant Elephant Trunks,' Mysterious Cosmic Structures 10 Times Bigger Than the 'Pillars of Creation'Astronomers have spotted enormous column-shaped structures called Giant Elephant's Trunks in the galaxy
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Scientists Are Building a Real-Life Version of the Starship Enterprise's Life ScannerA novel method relying on biochemistry could provide an unambiguous signal of life on other worlds.
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One Number Shows Something Is Fundamentally Wrong with Our Conception of the UniverseHere's what's going on with the discrepancies in cosmic expansion measurements.
