Space
Ancient black holes ruled out as source of all dark matter
One way to solve the dark matter problem is to chalk it up to black holes formed moments after the big bang, but they can’t account for all the dark matter
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Physics
Dark energy is mutating, with grave consequences for the cosmos
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Space
The usual way of hunting dark matter may be all wrong
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Physics
We’ve found a bunch of dwarf galaxies we thought didn’t exist
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Physics
How a fiery matter-antimatter union may lead to limitless energy
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Humans
The message we’re sending to nearby aliens is no threat to Earth
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Physics
The New Horizons spacecraft is heading towards a mystery rock
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Physics
Dark energy survives neutron star crash test while rivals fail
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Physics
Why our ‘freakish’ galaxy has got cosmologists seriously worried
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Physics
Gravitational waves have let us see huge neutron stars colliding
We’ve taken the first pictures of neutron stars colliding 130 million light years away. The resulting gravitational waves may solve some big cosmic mysteries
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Physics
We can finally map the spiral arm on the far side of the galaxy
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Physics
Half the universe’s missing matter has just been finally found
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Physics
The sun’s energy could speed up dark matter so we can detect it
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Physics
Far-off galaxies are firing rare high-energy cosmic rays at us
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