/Dark Matter

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A New Trick Lets Us Weigh The Galaxy. It’s The First Step Toward Figuring Out What It’s Made Of

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Four Notable Things About the Most Distant Star Scientists Have Ever Glimpsed

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Scientists Found a Galaxy With Almost No Dark Matter. Here’s What That Means.

Hard Science

Neil deGrasse Tyson: We Don’t Understand the Most Fundamental Aspects of Our Universe

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Scientists Now Know When the First Stars Formed in the Universe

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Dark Matter May Be a Product of Gravitational Waves with a Twist

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Here’s Your First Look at the Most Detailed Simulation of the Cosmos Ever Made

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Dark Energy Survey Discovers Remnants of Other Galaxies Within Our Own

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It’s 2018. Here Are Six Scientific Mysteries We Still Haven’t Solved.

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A Probe Detected a Mysterious Signal That Physics Can’t Explain