Physicists show knotted cosmic strings may have dominated the early universe before collapsing to create matter—a theory ...
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Simulations suggest the early universe helped black holes grow big, but not in the long run
At the heart of the Milky Way, just 27,000 light-years from Earth, there is a supermassive black hole with a mass of more ...
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Dark matter obeys gravity after all — could that rule out a 5th fundamental force in the universe?
Scientists have discovered that dark matter, the universe's most mysterious "stuff," obeys gravity on vast cosmological scales. This could help to dismiss the possibility of a fifth fundamental force ...
Astronomers are rethinking one of cosmology’s biggest mysteries: dark energy. New findings show that evolving dark energy models, tied to ultra-light axion particles, may better fit the universe’s ...
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