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Earth Life May Have Come From Fragments of Other Planets
Microorganisms that crashed to Earth embedded in the fragments of distant planets might have been the sprouts of life...
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Ocean Bacteria Colonized Land 2.75 Billion Years Ago
Researchers at the University of Washington have determined that “some” microbial life migrated from the Earth’s oceans to land...
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Using Artificial Intelligence to Chart the Universe
Astronomers in Germany have developed an artificial intelligence algorithm to help them chart and explain the structure and dynamics...
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Why Curiosity Matters
Adam Steltzner is a rocker-turned-NASA engineer who helped take the country’s cool new Curiosity rover to the surface of...
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Humongous, Gassy Halo Found Surrounding Milky Way
Our galaxy — and the nearby Large and Small Magellanic Clouds as well — appears to be surrounded by...
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When Knowledge Explodes
We like to believe that more information allows us to make more informed decisions, to be more knowledgeable. That's...
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Fossil Forest May Sprout Again as the Arctic Warms
A fossilized forest that flourished more than 2.5 million years ago could return to life thanks to a warming...
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Genetic Mutation Explains Human Migration
Homo sapiens appeared 180,000 years ago, but for the next hundred thousand years stuck to a comparatively small area...
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Quasars: Mileposts Marking the Universe’s Expansion
Scientists can’t travel deep space the way Columbus sailed and charted the New World or Lewis and Clark mapped...
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Cosmic Magnifying Lens Unveils Oldest Galaxy
Scientists have discovered the strongest evidence yet for a 13.2-billion-year old galaxy, a finding that provides a key piece...