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Trigger for Earth’s Last Big Freeze Identified
For more than 30 years, climate scientists have debated whether flood waters from melting of the enormous Laurentide Ice...
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Super-Fast Space Travel Would Kill You in Minutes
Everyone thinks it would be cool to travel at the speed of light, which is why scientists devote their...
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New Theory on Formation of Solar System’s First Stuff
A new view of the solar system’s early days proposes that the first two kinds of solid materials —...
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Curiosity Rover Gulps Mars Air, Finds Hint of Vanished Atmosphere
NASA’s Curiosity rover has gulped in Martian air but failed to find methane – a gas linked to living...
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Asteroid Belts Could Show Us Where Intelligent Life Is Hiding
If we want to find intelligent life elsewhere in the universe, it might be wise to look for stars...
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First Stars’ Light Seen Through Extragalactic Fog
Light from the very first stars in the universe has been measured – and there is less of it...
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NASA’s Fermi Helps Calculate Number of Stars in Universe
Astronomers have measured the background light from all the stars in the cosmos and inferred the number of stars...
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The Higgs, Boltzmann Brains, and Monkeys Typing Hamlet
Amir D. Aczel blogs about physics and cosmology for Discover’s Crux: If somebody told you that there are angels...
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The Real Question: Who Didn’t Have Sex With Neanderthals?
The only modern humans whose ancestors did not interbreed with Neanderthals are apparently sub-Saharan Africans, researchers say. New findings,...
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Oldest Town of the Old World Found in Bulgaria
Bulgarian archaeologists have found what they believe to be the oldest town in Europe, a salt production center called...