Physics
First test of rival to Einstein’s gravity kills off dark matter
A radical new model of gravity seems to account for bending of light by distant galaxies without invoking extra unseen mass whose identity remains mysterious
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Space
Dark matter that talks to itself could explain galaxy mystery
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Space
Dark energy could force the universe to gradually unzip itself
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Physics
Physics tweak solves five of the biggest problems in one go
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Physics
Cosmic dark matter and energy balance 鈥� for now. Coincidence?
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Space
Space is full of gigantic holes that are bigger than we expected
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Space
Dark matter clumps may have punched through star stream
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Humans
Metaphysics special: What is reality made of?
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Space
Ghost galaxy is 99.99 per cent dark matter with almost no stars
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Physics
Shadow worlds: Have we seen our first glimpse of dark forces?
The identity of the invisible stuff that holds galaxies together has long been a mystery. Now it might have been unmasked 鈥� and it鈥檚 not what we expected
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Physics
Dark force hunter wants to make darkness from light
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Space
IceCube telescope in Antarctica rules out sterile neutrinos
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Physics
Goopy dark matter could slow down expansion of the universe
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Physics
Our galaxy’s impossible collision could break gravity
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