A new solution to Albert Einstein's theory of general relativity suggests hypothetical gravitational stars that look like black holes could be nested within one another
'Quantum gravity' could help unite quantum mechanics with general relativity at last
Astrophysicist 'Fixes' General Relativity by Throwing Out a Major Law
New Observations of Messier 87’s Black Hole Support Einstein’s Theory of General Relativity
2nd image of 1st black hole ever pictured confirms Einstein's general relativity (photo)
Gravitational waves rippling from black hole merger could help test general relativity
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