Dark matter just got darker

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According to the standard model of cosmology, each galaxy contains huge amounts of dark matter, which can only be detected thanks to its gravitational pull. Without it, galaxies would be torn apart, with their stars flying away from each other. Dark matter’s nature remains a mystery, a mystery that has …

Observing the Multiverse

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Our Universe is big, really big… And it might not be the only one. Various theories predict the existence of other “bubble universes”, and some of them should occasionally collide. These collisions could be the key to confirming the existence of the multiverse.
Theoretically, the collision of two bubble universes produces …

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