By Claire Bates
Physicists have detected a particle of dark matter for the first time in human history, according to rumours buzzing around the internet.
Should it prove correct the finding would have an Earth-shattering effect on our understanding of how galaxies form.
Dark matter is believed to make up 90 per cent of the mass of the Universe. We can't see it but scientists think it is there due to the gravitational force it exerts.
It could help account for the 'missing mass' in the Universe that would explain why galaxies rotate at their current speeds.
Scientists have searched for evidence of the hypothetical matter since the 1970s both on Earth and in space.
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