A massive geomagnetic storm that was recorded across East Asia for nine days in 1770 suggests such solar flareups are surprisingly common.
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A new study makes the bold claim that dark matter might not need to exist to explain strange observations in the universe; but scientists aren't convinced that the study holds water.
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Study raises key question: Can the U.S. government capitalize on commercial space opportunities?
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Two enormous galaxies seen merging in the distant universe have astronomers rethinking the leading theory of how galaxies form.
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Collisions scarred early Earth as much as five times more often than previously thought.
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Satellite photos show just how big and destructive the Southern California wildfires have become.
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A new study suggests that Mars' ancient clays may have formed via the interaction of rock with a steamy atmosphere, not water on or just beneath the planet's surface.
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Astronomers have discovered the oldest supermassive black hole yet, a behemoth that grew to 800 million times the mass of the sun when the universe was just 5 percent of its current age, a new study finds.
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The ESPRESSO instrument, which is installed on the European Southern Observatory's (ESO) Very Large Telescope in northern Chile, has made its first observations.
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I'm in love with the cocco (lithophores).
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