Evidence suggests they began to form 180 million years after the Big Bang.
Physicists keep striking out in the search for dark matter
They've got lots of theories, just not a lot of hard evidence.
Researchers have increased atomic clock precision yet again
The clock uses a 3D arrangement of atoms rather than the typical 1D method.
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Astronomers create first image of dark matter web
It acts as a bridge to tie galaxies together. Cool, huh?
Dark matter scientist Vera Rubin dies at 88
She helped fill a large gap in our understanding of the universe.
Strange galaxy is made almost entirely of dark matter
Dragonfly 44 has the mass of our galaxy, but only a fraction of the stars.
Dark matter might be made of black holes
We would have to rethink how the universe was formed.
'Goopy' dark matter could offer a new vision of the early universe
If a new model is correct, dark matter once behaved like a fluid.
ICYMI: Dark matter search, the personal plane and more
This plane should have made the GOOP holiday list.
Dark matter is (probably) more complex than you think
Scientists typically believe that dark matter, for all of its mystery, behaves in a simple way: if...
