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The Universe’s Dark Ages: How Our Cosmos Survived
The dark ages of the universe—an era of darkness that existed before the first stars and galaxies—mostly remain a...
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Mass Species Loss Stunts Evolution for Millions of Years
Biological diversity—something that’s now imperiled by human appetites—may be a sustaining, stabilizing force on planetary scales, and its disruption...
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Climate Change: What We Do—and Don’t—Know
We can be certain about some things. For a start, the planet is warming, and human activity is largely...
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Information Is Cheap, Meaning Is Expensive
George Dyson talks with Martin Eiermann about the definition of life, human progress, and the importance of cognitive autarchy.
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Welcome to the Multiverse
Sean Carroll: The multiverse might be impossible to test directly. Even if such a theory were true, the worry...
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Does Cosmology Matter?
Adam Frank: Looking back 100, 1000 or 10,000 years, it became clear to me that time in cosmology (be...
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Commentary: New “World Class” Universities: Cutting Through the Hype
It would be tempting for poor and middle-income countries to think that a top-flight research institution is all that...
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How the Cosmic Fog Cleared
Two studies shed additional light on a murky question: How did the cosmic fog that enveloped the universe in...
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Opinion: Occupy the Classroom
The single step that would do the most to reduce inequality has nothing to do with finance at all....
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The First Direct Image of a Baby Planet Being Born! (Maybe!) (But Probably!)
Astronomers may have, for the first time, directly imaged a planet still in the process of formation, gathering material...