Space
Dark matter took its time to wrap around early galaxies
Large spiral galaxies today rotate more quickly than they should, but was it always that way? New maps of ancient galaxies suggest a dark secret
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Physics
Keep an open mind on dark matter and rivals that do away with it
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Physics
Rules of attraction: Why it’s time to rethink how gravity works
Features
Space
TRAPPIST-1 worlds are close enough for life to hop between them
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Physics
Oldest, biggest black holes may have come from enormous stars
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Physics
How to dust a telescope鈥檚 78-square-metre mirror with CO2
Regulars
午夜福利1000集合
To advance science we need to think about the impossible
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Physics
Cosmic uncertainty: Is the speed of light really constant?
Features
Physics
Universes that spawn ‘cosmic brains’ should go on the scrapheap
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Space
Rare mid-weight black hole found at heart of bright star cluster
Intermediate-mass black holes 鈥� weighing a few hundred to a few thousand solar masses 鈥� are the Bigfoot of astronomy, but now we may have seen one in our galaxy
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Physics
Have we found evidence that we live in a holographic universe?
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Earth
Earth鈥檚 water must have arrived here earlier than we thought
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Space
First evidence of dwarf galaxy merger boosts two cosmic theories
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Space
Binary stars shred up and shove off their newborn planets
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