Physics
Eight extremes: The brightest thing in the universe
What can shine with the light of more than 30 trillion suns?
Features
Physics
Eight extremes: The roundest thing in the universe
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Physics
Eight extremes: The darkest thing in the universe
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Physics
Eight extremes: The densest thing in the universe
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Space
Hot pixel mystery plagues delayed space telescope
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Your kitchen sink, and 16 other wonders of the cosmos
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Physics
Vacuum has friction after all
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Life
To boldly sow: Seeding the galaxy with Earthly life
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Physics
Dark matter: The evidence
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Physics
Dark matter: What is it?
The short answer is that we don't know, but it can't be conventional atom-based matter. Other observations provide further clues to its identity
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Physics
Dark matter: The hunt
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Physics
Dark matter: What happens next?
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Space
Spinning cosmic dust motes set speed record
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Physics
Microwave radiation map hints at other universes
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